HI @nmjvk
You can try with Regex Expression
System.Text.RegularExpressions.Regex.IsMatch(YourInputString,"^x|^X")


Regards
Gokul
HI @nmjvk
You can try with Regex Expression
System.Text.RegularExpressions.Regex.IsMatch(YourInputString,"^x|^X")


Regards
Gokul