mb_ereg_replace Replace regular expression with multibyte support stringmb_ereg_replace stringpattern stringreplacement stringstring arrayoption 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. Matching condition can be set by option parameter. If i is specified for this parameter, the case will be ignored. If x is specified, white space will be ignored. If m is specified, match will be executed in multiline mode and line break will be included in '.'. If p is specified, match will be executed in POSIX mode, line break will be considered as normal character. If e is specified, replacement string will be evaluated as PHP expression. The internal encoding or the character encoding specified in mb_regex_encoding will be used as character encoding. See also: mb_regex_encoding, mb_eregi_replace.