c sharp regular code to determine whether a number has a comma in its format
- 2020-05-05 11:48:01
- OfStack
public string check_number(string num_str)
{
num_str = num_str.Trim();
if (Regex.IsMatch(num_str, @"^\d+(\.\d+)?$|^\d+(\,\d+)+(\.\d+)?$"))
{
this.Nonum = true;
return num_str.Replace(",", "");
}
else
{
this.Nonum = false;
return num_str;
}
}
eg:1.00
123,123
456,123.00
{
num_str = num_str.Trim();
if (Regex.IsMatch(num_str, @"^\d+(\.\d+)?$|^\d+(\,\d+)+(\.\d+)?$"))
{
this.Nonum = true;
return num_str.Replace(",", "");
}
else
{
this.Nonum = false;
return num_str;
}
}
eg:1.00
123,123
456,123.00