intro.regex.html
来自「php的帮助文档,涉及到PHP的案例和基本语法,以及实际应用内容」· HTML 代码 · 共 42 行
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Introduction</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="book.regex.html">POSIX Regex</a></div> <div class="next" style="text-align: right; float: right;"><a href="regex.setup.html">Installing/Configuring</a></div> <div class="up"><a href="book.regex.html">POSIX Regex</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="intro.regex" class="preface"> <h1 class="title">Introduction</h1> <div class="tip"><b class="tip">Tip</b> <p class="para"> PHP also supports regular expressions using a Perl-compatible syntax using the <a href="book.pcre.html" class="link">PCRE functions</a>. Those functions support non-greedy matching, assertions, conditional subpatterns, and a number of other features not supported by the POSIX-extended regular expression syntax. </p> </div> <div class="warning"><b class="warning">Warning</b> <p class="para"> These regular expression functions are not binary-safe. The <a href="book.pcre.html" class="link">PCRE functions</a> are. </p> </div> <p class="para"> Regular expressions are used for complex string manipulation. PHP uses the POSIX extended regular expressions as defined by POSIX 1003.2. For a full description of POSIX regular expressions see the <a href="http://www.tin.org/bin/man.cgi?section=7&topic=regex" class="link external">» regex man pages</a> included in the regex directory in the PHP distribution. It's in manpage format, so you'll want to do something along the lines of <strong class="command">man /usr/local/src/regex/regex.7</strong> in order to read it. </p> </div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="book.regex.html">POSIX Regex</a></div> <div class="next" style="text-align: right; float: right;"><a href="regex.setup.html">Installing/Configuring</a></div> <div class="up"><a href="book.regex.html">POSIX Regex</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
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