📄 在c++ builder6上使用boost正则表达式库.htm
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<td align="center" height=32 style="font-size: 12pt;color: #FF6600;">在C++ Builder6上使用Boost正则表达式库</td>
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<td align="center" height=25 bgcolor=#F7F7F7>作者：佚名 来源：不详 发布时间：25/09/2006 19:24:36 发布人：admin</td>
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<div id="NewaspContentLabel" style="display:block;padding:0px 10px;" class="ContentFont"><FONT id=font_word style="FONT-SIZE: 14px; FONT-FAMILY: 宋体, Verdana, Arial, Helvetica, sans-serif"><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: center" align=center><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''">在</SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US style="FONT-SIZE: 14pt">C++ Builder6</SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''">上使用</SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US style="FONT-SIZE: 14pt">Boost</SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 14pt; FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''">正则表达式库</SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US style="FONT-SIZE: 14pt"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN></B></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: right" align=right><FONT size=3><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">撰文</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">:Aweay<o:p></o:p></SPAN></FONT></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">正则表达式是一种模式匹配形式，它通常用在处理的文本程序中。比如我们经常使用的</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">grep</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">工具，还是</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">perl</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">语言都使用了正则表达式。传统的</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">C++</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">处理正则表达式是非常麻烦的，这也成为很多其他语言爱好者的笑柄，现在情况不一样了，因为有了</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">boost</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">。</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><o:p></o:p></SPAN></FONT></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">Boost</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">是一个基于</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">Template</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">的开发源代码库，在这个库中有很多子库用来高效处理各方面的问题，比如字符串拆分，格式化，线程等等，</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">Boost</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">对于每一个</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">C++</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">爱好者都是应该了解的，对于</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">C++ Builder</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">用户如果能在熟练使用</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">VCL</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">的情况下再熟练使用</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">Boost</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">，我想一定如虎添翼。</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><o:p></o:p></SPAN></FONT></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">一般来说，使用</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">Boost</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">是非常简单，和使用其他</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">STL</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">库没有太大区别，但使用</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">Boost</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">的正则表达式库则不那么容易，因为这个库还需要我们单独编译，下面我将详细介绍如何使用。</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><o:p></o:p></SPAN></FONT></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">如果你还不知道或者还没有</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">Boost</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">的话，你可以去</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><A href="http://www.boost.org/">www.boost.org</A></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">下载最新版本，作者使用的是</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">1.30</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">版本。将下载下来的</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">zip</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">包</SPAN></FONT><A title="" style="mso-endnote-id: edn1" href="http://www.csdn.net/editor/Editor.htm#_edn1" name=_ednref1><SPAN class=MsoEndnoteReference><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><SPAN style="mso-special-character: footnote"><SPAN class=MsoEndnoteReference><SPAN lang=EN-US style="FONT-SIZE: 10.5pt; FONT-FAMILY: ''''Times New Roman''''; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">[1]</SPAN></SPAN></SPAN></SPAN></SPAN></A><FONT size=3><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">解压到任何你喜欢的目录，<span id="shlppreakqjgoccpl">教N供-dLZ无:,96软;提z(</span>比如</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">D:\boost</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">。</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><o:p></o:p></SPAN></FONT></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''">编译正则表达式库</SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US style="FONT-SIZE: 12pt"><o:p></o:p></SPAN></B></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">前面已经提到，这个库需要我们单独编译才能使用，为什么不编译好一起发布呢？主要是考虑到不同的编译器需要不同的链接库文件和链接库太大了。在命令行下，进入</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">[%Boost]\Libs\RegEx\Build</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">目录，直接敲入</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">make –fbcb6.mak</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">命令开始编译，这里请大家注意了，如果你的计算机上同时安装了</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">BCB5</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">，请一定要把</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">path</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">设置成为</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">BCB6</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">的</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">bcc32.exe</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">程序所在的目录，否则可能使用</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">BCB5</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">的</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">make</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">程序，这样虽然能编译但最后不能使用。</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><o:p></o:p></SPAN></FONT></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">编译过程相当耗时，你需要耐心等待，最终编译完成，会在</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">[%Boost]\Libs\RegEx\Build</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">目录生成一个</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">BCB6</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">目录，在这个目录生成了很多</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">lib</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">文件和</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">dll</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">文件，把所有</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">dll</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">文件复制到</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><a target="_blank" href="http://www.malegebide.com" class="wordstyle">windows</a></SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">系统目录，所以</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">lib</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">文件复制到</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">bcb6\lib</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">目录。如果你不想这么麻烦的复制文件，可以在编译时加入</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">install</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">参数，<font id="alleqpgdofokf">RR!8{p软&lk\育T</font>就像这样</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">make –fBcb6.mak install</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">，不过作者还是比较喜欢前一种方式，这样我可以知道到底生成了什么文件。现在编译已经完成了，你可以体现</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">boost</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">的神奇魅力了。</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><o:p></o:p></SPAN></FONT></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''">一个测试程序</SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US style="FONT-SIZE: 12pt"><o:p></o:p></SPAN></B></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">在</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">BCB6</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">中创建</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">console</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">程序，编写下列代码：</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><o:p></o:p></SPAN></FONT></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><?xml:namespace prefix = v ns = "urn:schemas-microsoft-com:vml" /><v:shapetype id=_x0000_t202 coordsize="21600,21600" o:spt="202" path="m,l,21600r21600,l21600,xe"><v:stroke joinstyle="miter"></v:stroke><v:path gradientshapeok="t" o:connecttype="rect"></v:path></v:shapetype><v:shape id=_x0000_s1027 style="WIDTH: 414pt; HEIGHT: 288.75pt; mso-position-horizontal-relative: char; mso-position-vertical-relative: line" type="#_x0000_t202" fillcolor="#eaeaea" stroked="f"><v:textbox style="mso-next-textbox: #_x0000_s1027"><TABLE cellSpacing=0 cellPadding=0 width="100%"><TR><TD style="BORDER-RIGHT: #d4d0c8; BORDER-TOP: #d4d0c8; BORDER-LEFT: #d4d0c8; BORDER-BOTTOM: #d4d0c8; BACKGROUND-COLOR: transparent"><DIV><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: teal">#include<deque><o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: teal">#include<iostream><o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: teal">#include<algorithm><o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: teal">#include<boost/regex.hpp><o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><o:p> </o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="COLOR: blue">int</SPAN><SPAN lang=EN-US> main()</SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US>{</SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes"> </SPAN><SPAN style="COLOR: blue">using namespace</SPAN> boost;</SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes"> </SPAN><SPAN style="COLOR: blue">using namespace</SPAN> std;</SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes"> </SPAN><SPAN style="COLOR: #993300">regex</SPAN> expression("\\s+href\\s*=\\s*\"([^\"]*)\"",regbase::normal|regbase::icase);</SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes"> </SPAN><SPAN style="COLOR: #993300">string</SPAN> s="<a href=\"index.html\"><img src=\"logo.gif\"></a>";</SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes"> </SPAN><SPAN style="COLOR: #993300">deque</SPAN><string> result;</SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes"> </SPAN>regex_split(<SPAN style="COLOR: #993300">std::back_inserter</SPAN>(result),s,expression);</SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes"> </SPAN><SPAN style="COLOR: #993300">copy</SPAN>(result.begin(),result.end(),<SPAN style="COLOR: #993300">ostream_iterator</SPAN><<SPAN style="COLOR: #993300">string</SPAN>>(cout,"\n"));</SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes"> </SPAN><SPAN style="COLOR: blue"><SPAN style="mso-spacerun: yes"> </SPAN>int</SPAN> c;</SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes"> </SPAN><SPAN style="COLOR: #993300">cin</SPAN>>>c;</SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><SPAN style="mso-spacerun: yes"> </SPAN><SPAN style="COLOR: blue">return</SPAN> 0;</SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US>}<o:p></o:p></SPAN></P></DIV></TD></TR></TABLE></v:textbox><?xml:namespace prefix = w ns = "urn:schemas-microsoft-com:office:word" /><w:wrap type="none"></w:wrap><w:anchorlock></w:anchorlock></v:shape><v:shapetype id=_x0000_t75 coordsize="21600,21600" o:spt="75" path="m@4@5l@4@11@9@11@9@5xe" stroked="f" o:preferrelative="t" filled="f"><v:stroke joinstyle="miter"></v:stroke><v:formulas><v:f eqn="if lineDrawn pixelLineWidth 0"></v:f><v:f eqn="sum @0 1 0"></v:f><v:f eqn="sum 0 0 @1"></v:f><v:f eqn="prod @2 1 2"></v:f><v:f eqn="prod @3 21600 pixelWidth"></v:f><v:f eqn="prod @3 21600 pixelHeight"></v:f><v:f eqn="sum @0 0 1"></v:f><v:f eqn="prod @6 1 2"></v:f><v:f eqn="prod @7 21600 pixelWidth"></v:f><v:f eqn="sum @8 21600 0"></v:f><v:f eqn="prod @7 21600 pixelHeight"></v:f><v:f eqn="sum @10 21600 0"></v:f></v:formulas><v:path gradientshapeok="t" o:connecttype="rect" o:extrusionok="f"></v:path><o:lock v:ext="edit" aspectratio="t"></o:lock></v:shapetype></SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><SPAN style="COLOR: blue"><o:p></o:p></SPAN></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">设置</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">BCB6 Project</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">属性的</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">Lib Path</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">和</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">Include Path</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">为你安装</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">boost</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">的目录，运行你会看到结果：</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><o:p></o:p></SPAN></FONT></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:State><st1:place><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">ind</SPAN></st1:place></st1:State><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">ex.html<o:p></o:p></SPAN></FONT></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">可以看到</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">index.html</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">已经从字符串中提出出来了，那么为什么会是这样呢？</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><o:p></o:p></SPAN></FONT></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">代码的核心部分是：</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><o:p></o:p></SPAN></FONT></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US><FONT size=3>regex expression("\\s+href\\s*=\\s*\"([^\"]*)\"",regbase::normal|regbase::icase);</FONT></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''"><FONT size=3>它用来设置如何匹配字符串，上面乱七八糟的字符串很难看懂，如果不了解正则表达式的书写规则，上面代码可以和天书媲美。</FONT></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN lang=EN-US>regbase::normal|regbase::icase </SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''">是解析参数设置，具体可以参考</SPAN><SPAN lang=EN-US>boost</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''">帮助文档。</SPAN></FONT></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''">正则表达式的书写规则</SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US style="FONT-SIZE: 12pt"><o:p></o:p></SPAN></B></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">具体的书写规则，大家可以参看</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">boost</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">的文档，我这里做一下简要说明：</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><o:p></o:p></SPAN></FONT></P><TABLE class=MsoTableGrid style="BORDER-RIGHT: medium none; BORDER-TOP: medium none; BORDER-LEFT: medium none; BORDER-BOTTOM: medium none; BORDER-COLLAPSE: collapse; mso-border-alt: solid windowtext .5pt; mso-yfti-tbllook: 480; mso-padding-alt: 0cm 5.4pt 0cm 5.4pt; mso-border-insideh: .5pt solid windowtext; mso-border-insidev: .5pt solid windowtext" cellSpacing=0 cellPadding=0 border=1><TR style="mso-yfti-irow: 0"><TD style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1pt solid; WIDTH: 62.6pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt" vAlign=top width=83><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">. (dot)<o:p></o:p></SPAN></P></TD><TD style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #d4d0c8; WIDTH: 432pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt" vAlign=top width=576><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">用来匹配任何一个字符，但不包括新行上的字符</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><o:p></o:p></SPAN></P></TD></TR><TR style="mso-yfti-irow: 1"><TD style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #d4d0c8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1pt solid; WIDTH: 62.6pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt" vAlign=top width=83><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">* <o:p></o:p></SPAN></P></TD><TD style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #d4d0c8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #d4d0c8; WIDTH: 432pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt" vAlign=top width=576><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">闭包，任意有限次的自重复连接</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><o:p></o:p></SPAN></P></TD></TR><TR style="mso-yfti-irow: 2"><TD style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #d4d0c8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1pt solid; WIDTH: 62.6pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt" vAlign=top width=83><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">+ <o:p></o:p></SPAN></P></TD><TD style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #d4d0c8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #d4d0c8; WIDTH: 432pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt" vAlign=top width=576><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">有限次自重复连接，但至少出现一次</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><o:p></o:p></SPAN></P></TD></TR><TR style="mso-yfti-irow: 3"><TD style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #d4d0c8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1pt solid; WIDTH: 62.6pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt" vAlign=top width=83><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">{}<o:p></o:p></SPAN></P></TD><TD style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #d4d0c8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #d4d0c8; WIDTH: 432pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt" vAlign=top width=576><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">指定可能的重复次数</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><o:p></o:p></SPAN></P></TD></TR><TR style="mso-yfti-irow: 4"><TD style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #d4d0c8; PADDING-LEFT: 5.4pt; BACKGROUND: silver; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1pt solid; WIDTH: 494.6pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt" vAlign=top width=659 colSpan=2><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">例如：</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">ba* </SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">匹配</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"> b ba baa baaa</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">等</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">ba+ </SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">匹配</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"> ba baa baaaaaaaaa</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">等</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">ba{1,5} </SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">匹配</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"> ba baa baaa baaaa baaaaa<o:p></o:p></SPAN></P></TD></TR><TR style="mso-yfti-irow: 5"><TD style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #d4d0c8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1pt solid; WIDTH: 62.6pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt" vAlign=top width=83><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">\<o:p></o:p></SPAN></P></TD><TD style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #d4d0c8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #d4d0c8; WIDTH: 432pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt" vAlign=top width=576><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">转义字符，<p id="btvwdaftfe">rF=ZMR:?At</p>有很多用途，根据参数设置而变化，最常见的就是类似于</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">c</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">语言</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">\</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">的用法</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><o:p></o:p></SPAN></P></TD></TR><TR style="mso-yfti-irow: 6"><TD style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #d4d0c8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1pt solid; WIDTH: 62.6pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt" vAlign=top width=83><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">\s<o:p></o:p></SPAN></P></TD><TD style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #d4d0c8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #d4d0c8; WIDTH: 432pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt" vAlign=top width=576><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">匹配空格</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><o:p></o:p></SPAN></P></TD></TR><TR style="mso-yfti-irow: 7"><TD style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #d4d0c8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1pt solid; WIDTH: 62.6pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt" vAlign=top width=83><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">\w<o:p></o:p></SPAN></P></TD><TD style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #d4d0c8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #d4d0c8; WIDTH: 432pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt" vAlign=top width=576><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">匹配一个单词</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><o:p></o:p></SPAN></P></TD></TR><TR style="mso-yfti-irow: 8"><TD style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #d4d0c8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1pt solid; WIDTH: 62.6pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt" vAlign=top width=83><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">\d<o:p></o:p></SPAN></P></TD><TD style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #d4d0c8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #d4d0c8; WIDTH: 432pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt" vAlign=top width=576><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">匹配数字</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><o:p></o:p></SPAN></P></TD></TR><TR style="mso-yfti-irow: 9; mso-yfti-lastrow: yes"><TD style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #d4d0c8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1pt solid; WIDTH: 62.6pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt" vAlign=top width=83><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">()<o:p></o:p></SPAN></P></TD><TD style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #d4d0c8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #d4d0c8; WIDTH: 432pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt" vAlign=top width=576><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">有两种用法：</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">1</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">是合并的作用，例如</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">(ab)*</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">匹配</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">ab abab ababab</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">等</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><o:p></o:p></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">2</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">是确定匹配，<div id="omnpilqfpmspmkbtg">网PZ网育)h(IepU育qXB&</div>也就是说在</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">()</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">中的字符将被最终拆解出来</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><o:p></o:p></SPAN></P></TD></TR></TABLE><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">根据上面这张表，我们可以很容易知道前面的那段天书如何解释。</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><o:p></o:p></SPAN></FONT></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><B style="mso-bidi-font-weight: normal"><SPAN style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''">一个实际的例子</SPAN></B><B style="mso-bidi-font-weight: normal"><SPAN lang=EN-US style="FONT-SIZE: 12pt"><o:p></o:p></SPAN></B></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">前一段时间在</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">CSDN</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">上有一篇帖子，问题是有一种文件结构如（类似）：</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><o:p></o:p></SPAN></FONT></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><FONT size=3>@People{<o:p></o:p></FONT></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><FONT size=3>Age=19<o:p></o:p></FONT></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><FONT size=3>Speek=”Hay,{name},how are you”<o:p></o:p></FONT></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><FONT size=3>}<o:p></o:p></FONT></SPAN></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">问如何拆分字符串得到</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">@</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">后面的名字，</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">=</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">两边的属性名和属性值，引号里</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">{}</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">种的名字。</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><o:p></o:p></SPAN></FONT></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">解决这个问题用正则表达式再合适不过了。</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><o:p></o:p></SPAN></FONT></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">根据分析，我们可以这样构造匹配规则：</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><o:p></o:p></SPAN></FONT></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">"@(.*?)\s*\\{" </SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">匹配</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt">@</SPAN><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ''''Times New Roman''''; mso-hansi-font-family: ''''Times New Roman''''; mso-bidi-font-size: 10.5pt">开始的字符创，后面两种类型如何构造匹配规则留给大家思考吧。</SPAN><SPAN lang=EN-US style="mso-bidi-font-size: 10.5pt"><o:p></o:p></SPAN></FONT></P><P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><FONT size=3><SPAN style="FONT-FAMILY: 宋体; mso-ascii-font-family: ⌨️ 快捷键说明
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