C# isalphanumeric

        string str = "ABC123";
 
        if (Regex.IsMatch(str, "^[a-zA-Z0-9]*$"))
        {
            Console.WriteLine("Alphanumeric String");
        }
        else
        {
            Console.WriteLine("Non-Alphanumeric String");
        }

Source: techiedelight.com

Similar codes

2 votes283 views2 answers
Linq select
C#
4 votes268 views2 answers
C# get desktop path
C#
0 vote295 views1 answer
Telerik wpf gridviewcombobox itemsource property on item
C#
2 votes320 views1 answer
C# how to check if two lists have same values
C#
0 vote309 views1 answer
Mouse click unity raycast unity
C#Unity
16 votes251 views1 answer
What is a protected int c#
C#
1 vote322 views2 answers
C# string to binary
C#
0 vote257 views1 answer
How to make text show a variable in unity
C#
4 votes290 views1 answer
How to write coroutine in unity
C#
0 vote255 views1 answer
How to check if control key is pressed c#
C#