dinhunzvi Junior Poster 103 posts since Jul 2010 Reputation Points: 0 [?] Q&As Helped to Solve: 8 [?] Skill Endorsements: 0 [?] 0 1 Year Ago i'm developing an app that i intend to run on a client's intranet. i want to ensure that only email addresses with the client's domain should be registered. how do i achieve this using regular expressions?