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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="function.mb-eregi-replace" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>mb_eregi_replace</refname>
<refpurpose>Replace regular expression with multibyte support ignoring case</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type class="union"><type>string</type><type>false</type><type>null</type></type><methodname>mb_eregi_replace</methodname>
<methodparam><type>string</type><parameter>pattern</parameter></methodparam>
<methodparam><type>string</type><parameter>replacement</parameter></methodparam>
<methodparam><type>string</type><parameter>string</parameter></methodparam>
<methodparam choice="opt"><type class="union"><type>string</type><type>null</type></type><parameter>options</parameter><initializer>&null;</initializer></methodparam>
</methodsynopsis>
<simpara>
Scans <parameter>string</parameter> for matches to
<parameter>pattern</parameter>, then replaces the matched text
with <parameter>replacement</parameter>.
</simpara>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>pattern</parameter></term>
<listitem>
<para>
The regular expression pattern. Multibyte characters may be used. The case will be ignored.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>replacement</parameter></term>
<listitem>
<para>
The replacement text.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>string</parameter></term>
<listitem>
<para>
The searched <type>string</type>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>options</parameter></term>
<listitem>
<simpara>
The search option. See <function>mb_regex_set_options</function> for explanation.
</simpara>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
The resultant <type>string</type> or &false; on error.
If <parameter>string</parameter> is not valid for the current encoding, &null;
is returned.
</para>
</refsect1>
<refsect1 role="changelog">
&reftitle.changelog;
<para>
<informaltable>
<tgroup cols="2">
<thead>
<row>
<entry>&Version;</entry>
<entry>&Description;</entry>
</row>
</thead>
<tbody>
<row>
<entry>8.0.0</entry>
<entry>
<parameter>options</parameter> is nullable now.
</entry>
</row>
<row>
<entry>7.1.0</entry>
<entry>
The function checks whether <parameter>string</parameter> is valid for the
current encoding.
</entry>
</row>
<row>
<entry>7.1.0</entry>
<entry>
The <literal>e</literal> modifier has been deprecated.
</entry>
</row>
</tbody>
</tgroup>
</informaltable>
</para>
</refsect1>
<refsect1 role="notes">
&reftitle.notes;
¬e.mbstring.encoding.internal;
&mbstring.warning.e-modifier;
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>mb_regex_encoding</function></member>
<member><function>mb_ereg_replace</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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