How can I check if a string is a number?

Question

I\'d like to know on C# how to check if a string is a number (and just a number).

Example :

141241   Yes
232a23   No
12412a   No

an

Answer 1

You could use something like the following code:

    string numbers = "numbers you want to check";

    Regex regex = new Regex("^[0-9]+$"));

    if (regex.IsMatch(numbers))
    {
        //string value is a number
    }