Python String Method – isalnum()

isalnum() Method –

isalnum() method return True if all the characters of a string is alphanumeric (i.e. alphabets or numbers). If not then it returns False.

Syntax –

string.isalnum()

Example –

In [1]: string1 = 'abc123'

In [2]: string1.isalnum()
Out[2]: True

In [3]: string2 = 'abc 123'

In [4]: string2.isalnum()
Out[4]: False

The result of second string is False because the string also contains a white space along with numbers and alphabets.

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