Headroom.Data.Regex

Contents

Description

Extends functionalify provided by Text.Regex.PCRE.Light and Text.Regex.PCRE.Heavy that more suits the needs of this application.

Synopsis

Data Types

Represents compiled regex, encapsulates the actual implementation.

Constructors

Regex Regex

Instances details

Eq Regex Source #
Instance details Defined in Headroom.Data.Regex Methods (==) :: Regex -> Regex -> Bool # (/=) :: Regex -> Regex -> Bool #
Show Regex Source #
Instance details Defined in Headroom.Data.Regex Methods showsPrec :: Int -> Regex -> ShowS # show :: Regex -> String # showList :: [Regex] -> ShowS #
FromJSON Regex Source #
Instance details Defined in Headroom.Data.Regex Methods parseJSON :: Value -> Parser Regex parseJSONList :: Value -> Parser [Regex]

Exception specific to the Headroom.Data.Regex module.

Constructors

given input cannot be compiled as regex

Instances details

Show RegexError Source #
Instance details Defined in Headroom.Data.Regex Methods showsPrec :: Int -> RegexError -> ShowS # show :: RegexError -> String # showList :: [RegexError] -> ShowS #
Exception RegexError Source #
Instance details Defined in Headroom.Data.Regex Methods toException :: RegexError -> SomeException # fromException :: SomeException -> Maybe RegexError # displayException :: RegexError -> String #

Regex Functions

Arguments

Compiles given regex in runtime. If possible, prefer the re quasi quotation version that does the same at compile time.

Arguments

:: Regex	a PCRE regular expression value produced by compile
-> Text	the subject text to match against
-> Maybe [Text]	the result value

Same as match, but works with Text and uses no additional options.

A QuasiQuoter for regular expressions that does a compile time check.

Arguments

:: Regex	regex to match what to replace
-> (Text -> [Text] -> Text)	replacement function (as `fullMatch -> [groups] -> result`)
-> Text	text to replace in
-> Text	resulting text

Replaces all occurences of given regex.

Arguments

:: Regex	regex to search for
-> Text	input text
-> [(Text, [Text])]	found occurences (as `[(fullMatch, [groups])]`)

Searches the text for all occurences of given regex.