1 -(BOOL)isValidateEmail:(NSString *)email 2 { 3 NSString *emailRegex = @"[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}"; 4 NSPredicate *emailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", emailRegex]; 5 return [emailTest evaluateWithObject:email]; 6 }
原文：http://www.cnblogs.com/yybz/p/4031498.html