ios判断邮箱,手机号码，车牌号是否合法（正则表达）

/*邮箱验证*/
-(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*/

- (BOOL)isValidataPhone:(NSString *)phone
{

//以13，14，15，17（京东），18开头的电话号码，如果今后还有新类型的电话号码，可以在[34578]中直接添加
    NSString *phoneRegex = @"[1][34578]\\d{9}";
    NSPredicate *phoneTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",phoneRegex];
    return [phoneTest evaluateWithObject:phone];
}

/*车牌号验证*/
- (BOOL) isValidateCarNo(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];
}

转载地址：http://www.cnblogs.com/hellocby/archive/2012/12/05/2803094.html