<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xmlns="http://docbook.org/ns/docbook" xml:id="function.sql-regcase">
 <refnamediv>
  <refname>sql_regcase</refname>
  <refpurpose>Make regular expression for case insensitive match</refpurpose>
 </refnamediv>
 
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>string</type><methodname>sql_regcase</methodname>
   <methodparam><type>string</type><parameter>string</parameter></methodparam>
  </methodsynopsis>
  <para>
   Creates a regular expression for a case insensitive match.
  </para>
  &warn.deprecated.function-5-3-0.removed-6-0-0;
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>string</parameter></term>
     <listitem>
      <para>
       The input string.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns a valid regular expression which will match
   <parameter>string</parameter>, ignoring case. This expression is
   <parameter>string</parameter> with each alphabetic character converted to
   a bracket expression; this bracket expression contains that character's
   uppercase and lowercase form.  Other characters remain unchanged.
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title><function>sql_regcase</function> example</title>
    <programlisting role="php">
<![CDATA[
<?php
echo sql_regcase("Foo - bar.");
?>
]]>
    </programlisting>
    &example.outputs;
    <screen>
<![CDATA[
[Ff][Oo][Oo] - [Bb][Aa][Rr].
]]>
    </screen>
   </example>
  </para>
  <para>
   This can be used to achieve case insensitive pattern matching in
   products which support only case sensitive regular expressions.
  </para>
 </refsect1>

 <refsect1 role="notes">
  &reftitle.notes;
  &note.regex.deprecated;
 </refsect1>

</refentry>

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