Text.XML.HXT.RelaxNG.XmlSchema.Regex

Portability	portable
Stability	experimental
Maintainer	Uwe Schmidt (uwe@fh-wedel.de)

Description

Version : $Id$

W3C XML Schema Regular Expression Matcher

Grammar can be found under "http://www.w3.org/TR/xmlschema11-2/#regexs"

Synopsis

data Regex

chars :: (Char -> Bool) -> [Char]

charRngs :: [Char] -> [(Char, Char)]

mkZero :: String -> Regex

mkUnit :: Regex

mkSym :: (Char -> Bool) -> Regex

mkSym1 :: Char -> Regex

mkSymRng :: Char -> Char -> Regex

mkDot :: Regex

mkStar :: Regex -> Regex

mkAlt :: Regex -> Regex -> Regex

mkSeq :: Regex -> Regex -> Regex

mkRep :: Int -> Regex -> Regex

mkRng :: Int -> Int -> Regex -> Regex

mkOpt :: Regex -> Regex

mkDif :: Regex -> Regex -> Regex

mkCompl :: Regex -> Regex

nullable :: Regex -> Bool

delta :: Regex -> Char -> Regex

match :: Regex -> String -> Maybe String

Documentation

data Regex

Instances

Show Regex

chars :: (Char -> Bool) -> [Char]

enumerate all chars specified by a predicate

this function is expensive, it should only be used for testing

charRngs :: [Char] -> [(Char, Char)]

mkZero :: String -> Regex

mkUnit :: Regex

mkSym :: (Char -> Bool) -> Regex

mkSym1 :: Char -> Regex

mkSymRng :: Char -> Char -> Regex

mkDot :: Regex

mkStar :: Regex -> Regex

mkAlt :: Regex -> Regex -> Regex

mkSeq :: Regex -> Regex -> Regex

mkRep :: Int -> Regex -> Regex

mkRng :: Int -> Int -> Regex -> Regex

mkOpt :: Regex -> Regex

mkDif :: Regex -> Regex -> Regex

mkCompl :: Regex -> Regex

nullable :: Regex -> Bool

delta :: Regex -> Char -> Regex

match :: Regex -> String -> Maybe String

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