正则表达式

/*邮箱验证 MODIFIED BY HELENSONG*/

-(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];

}



/*手机号码验证 MODIFIED BY HELENSONG*/

-(BOOL) isValidateMobile:(NSString *)mobile

{

    //手机号以13， 15，18开头，八个 \d 数字字符

    NSString *phoneRegex = @"^((13[0-9])|(15[^4,\\D])|(18[0,0-9]))\\d{8}$";

    NSPredicate *phoneTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",phoneRegex];

//    NSLog(@"phoneTest is %@",phoneTest);

    return [phoneTest evaluateWithObject:mobile];

}



/*车牌号验证 MODIFIED BY HELENSONG*/ 

BOOL validateCarNo(NSString* carNo) 

{ 

    NSString *carRegex = @"^[A-Za-z]{1}[A-Za-z_0-9]{5}$"; 

    NSPredicate *carTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",carRegex]; 

    NSLog(@"carTest is %@",carTest); 

    return [carTest evaluateWithObject:carNo]; 

}