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

string str = "123";
int i = Int.Parse(str);

If str is a valid integer string then it will be converted to integer and stored in i other wise Exception occur.