<HTML ><HEAD ><TITLE >sql_regcase</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK REL="HOME" TITLE="PHP Manual" HREF="index.html"><LINK REL="UP" TITLE="Regular Expression Functions (POSIX Extended)" HREF="ref.regex.html"><LINK REL="PREVIOUS" TITLE="spliti" HREF="function.spliti.html"><LINK REL="NEXT" TITLE="Semaphore, Shared Memory and IPC Functions" HREF="ref.sem.html"><META HTTP-EQUIV="Content-type" CONTENT="text/html; charset=ISO-8859-1"></HEAD ><BODY CLASS="refentry" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >PHP Manual</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="function.spliti.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="ref.sem.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.sql-regcase" ></A >sql_regcase</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN82217" ></A ><P > (PHP 3, PHP 4 )</P >sql_regcase -- Make regular expression for case insensitive match </DIV ><DIV CLASS="refsect1" ><A NAME="AEN82220" ></A ><H2 >Description</H2 >string <B CLASS="methodname" >sql_regcase</B > ( string string)<BR ></BR ><P > Returns a valid regular expression which will match <TT CLASS="parameter" ><I >string</I ></TT >, ignoring case. This expression is <TT CLASS="parameter" ><I >string</I ></TT > with each character converted to a bracket expression; this bracket expression contains that character's uppercase and lowercase form if applicable, otherwise it contains the original character twice. <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN82231" ></A ><P ><B >Example 1. <B CLASS="function" >sql_regcase()</B > Example</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><PRE CLASS="php" >echo sql_regcase ("Foo bar");</PRE ></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > prints <TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><PRE CLASS="screen" >[Ff][Oo][Oo] [Bb][Aa][Rr]</PRE ></TD ></TR ></TABLE >. </P ><P > This can be used to achieve case insensitive pattern matching in products which support only case sensitive regular expressions. </P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="function.spliti.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="ref.sem.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >spliti</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.regex.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >Semaphore, Shared Memory and IPC Functions</TD ></TR ></TABLE ></DIV ></BODY ></HTML >