Question

How to check if value in string is float or int in C#

Answer 1

using System;

class Program
{
    public static bool IsFloatOrInt(string str) {
        int intValue;
        float floatValue;
        
        return Int32.TryParse(str, out intValue) || float.TryParse(str, out floatValue);
    }

    static void Main() {
        Console.WriteLine(IsFloatOrInt("40972"));
        Console.WriteLine(IsFloatOrInt("3.14"));
        Console.WriteLine(IsFloatOrInt("8729384572939438919191922562345634562435623098"));
        Console.WriteLine(IsFloatOrInt("abc"));
    }
}




/*
run:

True
True
False
False

*/

 

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