Nu-Coder Manual

PhpExpress Manual

PHP Joomla
Development

mb_ereg	mb_ereg_replace

Multibyte String Functions	Last updated: Mon, 26 Oct 2026

mb_ereg_match

(PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8)

mb_ereg_match — Regular expression match for multibyte string

Description

function mb_ereg_match(string $pattern, string $string, ?string $options = null): bool

A regular expression match for a multibyte string

Note:
pattern is only matched at the beginning of string.

Parameters

pattern: The regular expression pattern.
string: The string being evaluated.
options: The search option. See mb_regex_set_options() for explanation.

Return Values

Returns true if string matches the regular expression pattern, false if not.

Changelog

Version	Description
8.0.0	`options` is nullable now.

Notes

Note:
The internal encoding or the character encoding specified by mb_regex_encoding() will be used as the character encoding for this function.

See Also

mb_regex_encoding() - Set/Get character encoding for multibyte regex
mb_ereg() - Regular expression match with multibyte support

mb_ereg	mb_ereg_replace

Multibyte String Functions	Last updated: Mon, 26 Oct 2026