<HTML ><HEAD ><TITLE >eregi</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="eregi_replace" HREF="function.eregi-replace.html"><LINK REL="NEXT" TITLE="split" HREF="function.split.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.eregi-replace.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.split.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="function.eregi" ></A >eregi</H1 ><DIV CLASS="refnamediv" ><A NAME="AEN82095" ></A ><P > (PHP 3, PHP 4 )</P >eregi -- case insensitive regular expression match</DIV ><DIV CLASS="refsect1" ><A NAME="AEN82098" ></A ><H2 >Description</H2 >int <B CLASS="methodname" >eregi</B > ( string pattern, string string [, array regs])<BR ></BR ><P > This function is identical to <A HREF="function.ereg.html" ><B CLASS="function" >ereg()</B ></A > except that this ignores case distinction when matching alphabetic characters. <TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" CLASS="EXAMPLE" ><TR ><TD ><DIV CLASS="example" ><A NAME="AEN82114" ></A ><P ><B >Example 1. <B CLASS="function" >eregi()</B > example</B ></P ><TABLE BORDER="0" BGCOLOR="#E0E0E0" CELLPADDING="5" ><TR ><TD ><PRE CLASS="php" >if (eregi("z", $string)) { echo "'$string' contains a 'z' or 'Z'!"; }</PRE ></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE > </P ><P > See also <A HREF="function.ereg.html" ><B CLASS="function" >ereg()</B ></A >, <A HREF="function.ereg-replace.html" ><B CLASS="function" >ereg_replace()</B ></A >, and <A HREF="function.eregi-replace.html" ><B CLASS="function" >eregi_replace()</B ></A >. </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.eregi-replace.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="function.split.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >eregi_replace</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" >split</TD ></TR ></TABLE ></DIV ></BODY ></HTML >