Python String isalpha() method

Python String isalpha() method

The string.isalpha () method in Python returns a boolean value true if all characters in the  string are alphabetic else for any other value it returns false.

Syntax

isalpha() 

Parameter

NA

Return

This method returns a boolean value true if all characters in the string are alphabetic.

Example 1

 # Python programing explaining
 # the isalpha() method
 # initializing a alhabetic value 
 strVal = "JulyApril"; 
 # returning a boolean value if all the string characters are alphabetic
 bool= strVal.isalpha()
 # prinitng the boolean value
 print("The'",strVal,"' contains all alphabetic value:",bool) 

Output

The' JulyApril ' contains all alphabetic value: True

Example 2

 # Python programing explaining
 # the isalpha() method
 # initializing a string value
 strVal = "Hello"
 # validating if and else condition
 if strVal.isalpha() == True:
    print("All the characters of the specified string are alphabtes.")
 else:
     print("All the characters are not alphabtes.") 

Output

All the characters of the specified string are alphabtes.

Example 3

 # Python programing explaining
 # the isalpha() method
 # initializing a string value
 char1 = "HelloWorld" # will return true as the string is alphabetic
 print(char1.isalpha())
 # string containing whitespace
 char2 = "Hello World " # will return False as the string contains whitespace
 print(char2.isalpha())
 #passing special characters 
 char3 = "!Mo3nica*$Gell22er" # will return false as it contains special characters
 print(char3.isalpha())
 # passing alphanumeric 
 char4 = "hello133world"# will return False as it is alphanumeric
 print(char4.isalpha()) 

Output

 True
 False
 False
 False