The grammar is `!match(str, regex)` and this operator produces 1 if the `str` matches the regular expression `regex`. The format of `regex` is ERE (Extended POSIX Regular Expressions).
The grammar is `!match(str, regex)` and this operator produces 1 if the `str` matches the regular expression `regex`. The format of `regex` is ERE (Extended POSIX Regular Expressions).