📄 function.sql-regcase.html
字号:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Make regular expression for case insensitive match</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="ref.regex.html">POSIX Regex Functions</a></div> <div class="next" style="text-align: right; float: right;"><a href="book.strings.html">Strings</a></div> <div class="up"><a href="ref.regex.html">POSIX Regex Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.sql-regcase" class="refentry"> <div class="refnamediv"> <h1 class="refname">sql_regcase</h1> <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">sql_regcase</span> — <span class="dc-title">Make regular expression for case insensitive match</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">string</span> <span class="methodname"><b><b>sql_regcase</b></b></span> ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$string</tt></span> )</div> <p class="para rdfs-comment"> Creates a regular expression for a case insensitive match. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">string</tt></i></span> <dd> <p class="para"> The input string. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns a valid regular expression which will match <i><tt class="parameter">string</tt></i>, ignoring case. This expression is <i><tt class="parameter">string</tt></i> with each alphabetic character converted to a bracket expression; this bracket expression contains that character's uppercase and lowercase form. Other characters remain unchanged. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 <b>sql_regcase()</b> example</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /></span><span style="color: #007700">echo </span><span style="color: #0000BB">sql_regcase</span><span style="color: #007700">(</span><span style="color: #DD0000">"Foo - bar."</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> <div class="example-contents"><p>The above example will output:</p></div> <div class="example-contents"><pre><div class="cdata"><pre>[Ff][Oo][Oo] - [Bb][Aa][Rr].</pre></div> </pre></div> </div> </p> <p class="para"> This can be used to achieve case insensitive pattern matching in products which support only case sensitive regular expressions. </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="ref.regex.html">POSIX Regex Functions</a></div> <div class="next" style="text-align: right; float: right;"><a href="book.strings.html">Strings</a></div> <div class="up"><a href="ref.regex.html">POSIX Regex Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -