Hello, How can I check the string value using preg_match()? The name inputted should have exactly one comma (,). If 0, 2, or more commas are encountered, return FALSE, Sample: Davis, Nathan Ventura = True Davis, Nathan, Ventura = False Davis Nathan Ventura = False Your help is appreciated. Raul LearnCareGo missions mobilization for local churches --------------------------------- Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try it now. [Non-text portions of this message have been removed]