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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc (build 1.5.0_03) on Wed Nov 02 09:52:30 CST 2005 --><META http-equiv="Content-Type" content="text/html; charset=gb2312"><TITLE>java.util.regex (Java 2 Platform SE 5.0)</TITLE><META NAME="keywords" CONTENT="java.util.regex package"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="java.util.regex (Java 2 Platform SE 5.0)";}</SCRIPT><NOSCRIPT></NOSCRIPT></HEAD><BODY BGCOLOR="white" onload="windowTitle();"><!-- ========= START OF TOP NAVBAR ======= --><A NAME="navbar_top"><!-- --></A><A HREF="#skip-navbar_top" title="跳过导航链接"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>概述</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>软件包</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <FONT CLASS="NavBarFont1">类</FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-use.html"><FONT CLASS="NavBarFont1"><B>使用</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>树</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>已过时</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../index-files/index-1.html"><FONT CLASS="NavBarFont1"><B>索引</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>帮助</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM><b>Java<sup><font size=-2>TM</font></sup> 2 Platform<br>Standard Ed. 5.0</b></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../prefs/package-summary.html"><B>上一个软件包</B></A> <A HREF="../zip/package-summary.html"><B>下一个软件包</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.html@java_2Futil_2Fregex_2Fpackage-summary.html" target="_top"><B>框架</B></A> <A HREF="package-summary.html" target="_top"><B>无框架</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../../allclasses-noframe.html"><B>所有类</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../../allclasses-noframe.html"><B>所有类</B></A></NOSCRIPT></FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><H2>软件包 java.util.regex</H2>用于匹配字符序列与正则表达式指定模式的类。<P><B>请参见：</B><BR> <A HREF="#package_description"><B>描述</B></A><P><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>接口摘要</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="MatchResult.html" title="java.util.regex 中的接口">MatchResult</A></B></TD><TD>匹配操作的结果。</TD></TR></TABLE> <P><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>类摘要</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="Matcher.html" title="java.util.regex 中的类">Matcher</A></B></TD><TD>通过解释 <A HREF="Pattern.html" title="java.util.regex 中的类"><CODE>Pattern</CODE></A> 对 <A HREF="../../lang/CharSequence.html" title="java.lang 中的接口"><CODE></code>字符序列<code></CODE></A> 执行匹配操作的引擎。</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="Pattern.html" title="java.util.regex 中的类">Pattern</A></B></TD><TD>正则表达式的编译表示形式。</TD></TR></TABLE> <P><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>异常摘要</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="PatternSyntaxException.html" title="java.util.regex 中的类">PatternSyntaxException</A></B></TD><TD>抛出未经检查的异常，表明正则表达式模式中的语法错误。</TD></TR></TABLE> <P><A NAME="package_description"><!-- --></A><H2>软件包 java.util.regex 的描述</H2><P>用于匹配字符序列与正则表达式指定模式的类。<p> <A HREF="Pattern.html" title="java.util.regex 中的类"><CODE>Pattern</CODE></A> 类的实例采用类似于 Perl 的语法来表示以字符串形式指定的正则表达式。<p> <A HREF="Matcher.html" title="java.util.regex 中的类"><CODE>Matcher</CODE></A> 类的实例用于匹配字符序列与给定模式。通过 <A HREF="../../lang/CharSequence.html" title="java.lang 中的接口"><CODE>CharSequence</CODE></A> 接口将输入提供给匹配器，以支持从多种输入源到字符的匹配。</p><h2>相关文档</h2><p> 有关正则表达式的优秀教程和概述，请参阅 <ahref="../../../../../../../../../www.oreilly.com/catalog/regex/default.htm">《<i>Mastering Regular Expressions</i>》一书，作者：Jeffrey E. F. Friedl、O'Reilly 和 Associates，1997 年出版。</a> </p><!--For overviews, tutorials, examples, guides, and tool documentation, please see:<ul> <li><a href="">##### REFER TO NON-SPEC DOCUMENTATION HERE #####</a></ul>--><P><P><DL><DT><B>从以下版本开始：</B></DT> <DD>1.4</DD></DL><HR><!-- ======= START OF BOTTOM NAVBAR ====== --><A NAME="navbar_bottom"><!-- --></A><A HREF="#skip-navbar_bottom" title="跳过导航链接"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_bottom_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>概述</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>软件包</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <FONT CLASS="NavBarFont1">类</FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-use.html"><FONT CLASS="NavBarFont1"><B>使用</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>树</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>已过时</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../index-files/index-1.html"><FONT CLASS="NavBarFont1"><B>索引</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>帮助</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM><b>Java<sup><font size=-2>TM</font></sup> 2 Platform<br>Standard Ed. 5.0</b></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../prefs/package-summary.html"><B>上一个软件包</B></A> <A HREF="../zip/package-summary.html"><B>下一个软件包</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.html@java_2Futil_2Fregex_2Fpackage-summary.html" target="_top"><B>框架</B></A> <A HREF="package-summary.html" target="_top"><B>无框架</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../../allclasses-noframe.html"><B>所有类</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../../allclasses-noframe.html"><B>所有类</B></A></NOSCRIPT></FONT></TD></TR></TABLE><A NAME="skip-navbar_bottom"></A><!-- ======== END OF BOTTOM NAVBAR ======= --><HR><font size="-1"><a href="../../../../../../../../../java.sun.com/cgi-bin/bugreport.cgi">提交错误或意见</a><br>有关更多的 API 参考资料和开发人员文档，请参阅 <a href="../../../../../../../../../java.sun.com/j2se/1.5.0/docs/relnotes/devdocs-vs-specs.html">Java 2 SDK SE 开发人员文档</a>。该文档包含更详细的、面向开发人员的描述，以及总体概述、术语定义、使用技巧和工作代码示例。 <p>版权所有 2004 Sun Microsystems, Inc. 保留所有权利。 请遵守<a href="../../../../../../../../../java.sun.com/j2se/1.5.0/docs/relnotes/license.html">许可证条款</a>。另请参阅<a href="../../../../../../../../../java.sun.com/docs/redist.html">文档重新分发政策</a>。</font></BODY></HTML>⌨️ 快捷键说明
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