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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="function.mb-ereg-search-pos" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>mb_ereg_search_pos</refname>
<refpurpose>Returns position and length of a matched part of the multibyte regular expression for a predefined multibyte string</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type class="union"><type>array</type><type>false</type></type><methodname>mb_ereg_search_pos</methodname>
<methodparam choice="opt"><type class="union"><type>string</type><type>null</type></type><parameter>pattern</parameter><initializer>&null;</initializer></methodparam>
<methodparam choice="opt"><type class="union"><type>string</type><type>null</type></type><parameter>options</parameter><initializer>&null;</initializer></methodparam>
</methodsynopsis>
<para>
Returns position and length of a matched part of the multibyte regular expression
for a predefined multibyte string
</para>
<para>
The string for match is specified by
<function>mb_ereg_search_init</function>. If it is not specified,
the previous one will be used.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>pattern</parameter></term>
<listitem>
<para>
The search pattern.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>options</parameter></term>
<listitem>
<para>
The search option. See <function>mb_regex_set_options</function> for explanation.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<simpara>
An <type>array</type> containing two elements. The first element is the
offset, in bytes, where the match begins relative to the start of the
search string, and the second element is the length in bytes of the match.
</simpara>
<simpara>
If an error occurs, &false; is returned.
</simpara>
</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>pattern</parameter> and <parameter>options</parameter> are nullable now.
</entry>
</row>
</tbody>
</tgroup>
</informaltable>
</para>
</refsect1>
<refsect1 role="notes">
&reftitle.notes;
¬e.mbstring.encoding.internal;
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>mb_regex_encoding</function></member>
<member><function>mb_ereg_search_init</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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