Python3 isalnum () method

Source: Internet
Author: User
Describe

The Isalnum () method detects whether a string consists of letters and numbers.

Grammar

Isalnum () method syntax:

Str.  Isalnum()  
Parameters
  • No.
return value

Returns True if the string has at least one character and all characters are letters or numbers, otherwise False

Instance

The following example shows an example of the Isalnum () method:

A = "1qwE" b = "*q345" c = "   " D = "123" E = "asdf" Print (A.isalnum ()) print (B.isalnum ()) print (C.isalnum ()) Print (D.isalnum ()) Print (E.isalnum ())



The results of the implementation are as follows:

True
False
False
True
True

Python3 isalnum () method

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