c# - How to get number from a string

Question

I would like to get number from a string eg: My123number gives 123 Similarly varchar(32) gives 32 etc

Thanks in Advance.

Answer 1

If there is going to be only one number buried in the string, and it is going to be an integer, then something like this:

 int n;
 string s = "My123Number";
 if (int.TryParse (new string (s.Where (a => Char.IsDigit (a)).ToArray ()), out n)) {
    Console.WriteLine ("The number is {0}", n);
 }

To explain: s.Where (a => Char.IsDigit (a)).ToArray () extracts only the digits from the original string into an array of char. Then, new string converts that to a string and finally int.TryParse converts that to an integer.