check if a string is alphanumeric code example
Example 1: check if a string is alphanumeric
if (string.match(/^[0-9A-Za-z]+$/) === null) {
//is not alphanumeric
}else{
//it is alphanumeric
}
Example 2: how to check if a character is alphanumeric in python
#Python String isalnum() Method
txt = "Company12"
x = txt.isalnum()
print(x)
#output:
True