iOS开发——判断邮箱格式

//判断邮箱格式

-(BOOL)isValidateEmail:(NSString *)email {

    NSString *emailRegex = @"[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,4}";

    

    NSPredicate *emailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES%@",emailRegex];

    

    return [emailTest evaluateWithObject:email];

}