Safe Haskell	None
Language	Haskell98

Text.Regex.TDFA.String

Contents

Types
Medium level API functions

Description

This modules provides RegexMaker and RegexLike instances for using String with the TDFA backend.

This exports instances of the high level API and the medium level API of compile,execute, and regexec.

Synopsis

Types

data Regex Source

The TDFA backend specific Regex type, used by this module's RegexOptions and RegexMaker

Instances

RegexOptions Regex CompOption ExecOption Source

type MatchOffset = Int

0 based index from start of source, or (-1) for unused

type MatchLength = Int

non-negative length of a match

data CompOption Source

Control whether the pattern is multiline or case-sensitive like Text.Regex and whether to capture the subgroups (\1, \2, etc). Controls enabling extra anchor syntax.

Instances

Read CompOption Source
Show CompOption Source
RegexOptions Regex CompOption ExecOption Source

data ExecOption Source

Instances

Read ExecOption Source
Show ExecOption Source
RegexOptions Regex CompOption ExecOption Source

Medium level API functions

compile Source

Arguments

:: CompOption	Flags (summed together)
-> ExecOption	Flags (summed together)
-> String	The regular expression to compile (ASCII only, no null bytes)
-> Either String Regex	Returns: the compiled regular expression

execute Source

Arguments

:: Regex	Compiled regular expression
-> String	String to match against
-> Either String (Maybe MatchArray)

regexec Source

Arguments

:: Regex	Compiled regular expression
-> String	String to match against
-> Either String (Maybe (String, String, String, [String]))