diff --git a/reference/mbstring/functions/mb-regex-set-options.xml b/reference/mbstring/functions/mb-regex-set-options.xml
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+<?xml version="1.0" encoding="iso-8859-1"?>
+<!-- $Revision: 1.1 $ -->
+<!-- splitted from ./en/functions/mbstring.xml, last change in rev 1.23 -->
+  <refentry id="function.mb-regex-set-options">
+   <refnamediv>
+    <refname>mb_regex_set_options</refname>
+    <refpurpose>
+     Set/Get the default options for mbregex functions
+    </refpurpose>
+   </refnamediv>
+   <refsect1>
+    <title>Description</title>
+    <methodsynopsis>
+     <type>string</type><methodname>mb_regex_set_options</methodname>
+     <methodparam choice="opt">
+      <type>string</type><parameter>options</parameter>
+     </methodparam>
+    </methodsynopsis>
+     &warn.experimental.func;
+    <simpara>
+     <function>mb_regex_set_options</function> sets the default options
+     described by <parameter>options</parameter> for multibyte regex functions.
+    </simpara>
+    <para>
+     Returns the previous options for multibyte regex functions if the
+     optional parameter <parameter>options</parameter> is specified.
+     If the options is omitted, it returns the string that describes
+     the current options.
+    </para>
+    <note>
+     <para>
+      This function is supported in PHP 4.3.0 or higher.
+     </para>
+    </note>
+    <para>
+     See also: <function>mb_split</function>, <function>mb_ereg</function>
+     <function>mb_eregi</function>
+    </para>
+   </refsect1>
+  </refentry>
+
+<!-- Keep this comment at the end of the file
+Local variables:
+mode: sgml
+sgml-omittag:t
+sgml-shorttag:t
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+sgml-always-quote-attributes:t
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+sgml-default-dtd-file:"../../../../manual.ced"
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+End:
+vim600: syn=xml fen fdm=syntax fdl=2 si
+vim: et tw=78 syn=sgml
+vi: ts=1 sw=1
+-->