| public static IsNaturalNumber ( this sItem ) : bool | ||
| sItem | this | The s item. |
| return | bool | |
public static bool IsNaturalNumber(this string sItem)
{
Regex notNaturalPattern = new Regex("[^0-9]");
Regex naturalPattern = new Regex("0*[1-9][0-9]*");
return !notNaturalPattern.IsMatch(sItem) && naturalPattern.IsMatch(sItem);
}
