Regex package:regex-posix

A compiled regular expression.
POSIX Backend for "Text.Regex" (regex-base) The POSIX regex backend for regex-base. The main appeal of this backend is that it's very lightweight due to its reliance on the ubiquitous POSIX.2 regex facility that is provided by the standard C library on most POSIX platforms. See also https://wiki.haskell.org/Regular_expressions for more information.
Matches a regular expression against a string
Matches a regular expression against a string