Method # 1: Using isalpha()
# Python code for demonstration # to see if the string contains # only letters # Initializing string ini_str = "ababababa" # Print start line print ( "Initial String" , ini_str) # Code to check if a string contains only a number if ini_str.isalpha (): print ( " String contains only letters " ) else : print ( "String doesn’t contains only letters" ) |
Method # 2: Using re
# Python code for demo # to see if the string contains # only letters import re # Initializing string ini_str = "ababababa" # Print start line print ( "Initial String" , ini_str) # Code to check if the string contains only a number pattern = re. compile ( "^ [a-zA-Z] + $" ) if pattern.match (ini_str): print ( "Contains only letters" ) else : print ( "Doesn’t contains only letters" ) |
Python | Ways to check if a given string only contains a letter Python functions: Questions
Python | Ways to check if a given string only contains a letter String Variables: Questions