验证字符串是否是手机号码、邮箱

/*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];
return [phoneTest evaluateWithObject:mobile];
}
/*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];
}