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.