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Text.Regex.Posix |
Portability | portable
Stability | experimental
Maintainer | libraries@haskell.org
Contents
The `Regex` type Compiling a regular expression Flags for regcomp Matching a regular expression
Description
Interface to the POSIX regular expression library.
Synopsis
data Regex
regcomp :: String -> Int -> IO Regex
regExtended :: Int
regIgnoreCase :: Int
regNewline :: Int
regexec :: Regex -> String -> IO (Maybe (String, String, String, [String]))
The `Regex` type
data Regex
A compiled regular expression
Compiling a regular expression
regcomp
:: String | The regular expression to compile
-> Int | Flags (summed together)
-> IO Regex | Returns: the compiled regular expression
Compiles a regular expression
Flags for regcomp
regExtended :: Int
regIgnoreCase :: Int
regNewline :: Int
Matching a regular expression
regexec
:: Regex | Compiled regular expression
-> String | String to match against
-> IO (Maybe (String, String, String, [String])) | Returns: `Nothing` if the regex did not match the string, or:
       Just (everything before match,
             matched portion,
             everything after match,
             subexpression matches)
Matches a regular expression against a string
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