include "regex.m";	regex: Regex;	RegexUtils: module{	PATH:		con "/dis/lib/regexutils.dis";	init:		fn();		match:		fn(pattern: Regex->Re, s: string): string;	match_mult:	fn(pattern: Regex->Re, s: string): array of (int, int);	sub:		fn(text, pattern, new: string): string;	sub_re:		fn(text: string, pattern: Regex->Re, new: string): string;	subg:		fn(text, pattern, new: string): string;	subg_re:	fn(text: string, pattern: Regex->Re, new: string): string;};