mb_eregi_replace Replace regular expression with multibyte support ignoring case stringmb_eregi_replace stringpattern stringreplace stringstring stringoption mb_ereg_replace scans string for matches to pattern, then replaces the matched text with replacement and returns the result string or &false; on error. Multibyte character can be used in pattern. The case will be ignored. option has the same meaning as in mb_ereg_replace. The internal encoding or the character encoding specified in mb_regex_encoding will be used as character encoding. See also: mb_regex_encoding, mb_ereg_replace.