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# mb_eregi

(PHP 4 >= 4.2.0)

mb_eregi -- Regular expression match ignoring case with multibyte support

## Description

int mb_eregi ( string pattern, string string [, array regs])

Warning
This function is EXPERIMENTAL. The behaviour of this function, the name of this function, and anything else documented about this function may change without notice in a future release of PHP. Use this function at your own risk.

mb_eregi() executes the regular expression match with multibyte support, and returns 1 if matches are found. This function ignore case. If the optional third parameter was specified, the function returns the byte length of matched part, and therarray `regs` will contain the substring of matched string. The functions returns 1 if it matches with the empty string. It no matche found or error happend, `FALSE` will be returned.

The internal encoding or the character encoding specified in mb_regex_encoding() will be used as character encoding.

> Note: This function is supported in PHP 4.2.0 or higher.

See also: mb_regex_encoding(), mb_ereg().

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