The isalnum() method checks whether the string consists of alphanumeric characters.
Following is the syntax for isalnum() method −
This method returns true if all characters in the string are alphanumeric and there is at least one character, false otherwise.
The following example shows the usage of isalnum() method.
#!/usr/bin/python3 str = "this2016" # No space in this string print (str.isalnum()) str = "this is string example....wow!!!" print (str.isalnum())
When we run the above program, it produces the following result −