 | regex-posix-0.72: Replaces/Enhances Text.Regex | Contents | Index |
| Text.Regex.Posix.String |
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| Contents |
This provides String instances for RegexMaker and RegexLike based on Text.Regex.Posix.Wrap, and a (RegexContext Regex String String) instance.
To use these instance, you would normally import Text.Regex.Posix. You only need to import this module to use the medium level API of the compile, regexec, and execute functions. All of these report error by returning Left values instead of undefined or error or fail.
| MatchOffset |
| MatchLength |
| unusedOffset :: Int |
| compile :: CompOption -> ExecOption -> String -> IO (Either WrapError Regex) |
| regexec :: Regex -> String -> IO (Either WrapError (Maybe (String, String, String, [String]))) |
| execute :: Regex -> String -> IO (Either WrapError (Maybe (Array Int (MatchOffset, MatchLength)))) |
| :: CompOption | Flags (summed together) |
| -> ExecOption | Flags (summed together) |
| -> String | The regular expression to compile (ASCII only, no null bytes) |
| -> IO (Either WrapError Regex) | Returns: the compiled regular expression |
| :: Regex | Compiled regular expression |
| -> String | String to match against |
| -> IO (Either WrapError (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 | |
| :: Regex | Compiled regular expression |
| -> String | String to match against |
| -> IO (Either WrapError (Maybe (Array Int (MatchOffset, MatchLength)))) | Returns: Nothing if the regex did not match the string, or: Just (array of offset length pairs) |
| Matches a regular expression against a string | |