duckling/Duckling/Email/Rules.hs
Julien Odent bf89e34365 Relicense to BSD3
Reviewed By: JoelMarcey

Differential Revision: D15439223

fbshipit-source-id: c5af3cb06318748142fe503945b38beffadfc28a
2019-05-22 10:46:39 -07:00

39 lines
851 B
Haskell

-- Copyright (c) 2016-present, Facebook, Inc.
-- All rights reserved.
--
-- This source code is licensed under the BSD-style license found in the
-- LICENSE file in the root directory of this source tree.
{-# LANGUAGE GADTs #-}
{-# LANGUAGE OverloadedStrings #-}
module Duckling.Email.Rules
( rules ) where
import Prelude
import Data.String
import Duckling.Dimensions.Types
import Duckling.Email.Types (EmailData (..))
import qualified Duckling.Email.Types as TEmail
import Duckling.Regex.Types
import Duckling.Types
ruleEmail :: Rule
ruleEmail = Rule
{ name = "email"
, pattern =
[ regex "([\\w\\._+-]+@[\\w_-]+(\\.[\\w_-]+)+)"
]
, prod = \xs -> case xs of
(Token RegexMatch (GroupMatch (x:_)):_) ->
Just $ Token Email EmailData {TEmail.value = x}
_ -> Nothing
}
rules :: [Rule]
rules =
[ ruleEmail
]