publicstaticbool IsNumeric(string value)
{
return Regex.IsMatch(value, @"^[+-]?\d*[.]?\d*$");
}
publicstaticbool IsInt(string value)
{
return Regex.IsMatch(value, @"^[+-]?\d*$");
}
publicstaticbool IsUnsign(string value)
{
return Regex.IsMatch(value, @"^\d*[.]?\d*$");
}