Text.Regex.PCRE.Precompile

This module provides support for accessing the compiled representation of PCRE regular expressions. This byte array encodes a lookup-table based representation for the regular expression, and can be safely written out and read back by compatible PCRE versions.

Documentation

precompile :: ByteString -> [PCREOption] -> IO (Maybe ByteString)

Compiles the given regular expression, and assuming nothing bad happens, yields the bytestring filled with PCRE's compiled representation.

regexToTable :: Regex -> IO (Maybe ByteString)

Takes a compiled regular expression adn yields its bytestring representation.

regexFromTable :: ByteString -> IO Regex

Creates a regular expression