This will return False if the string contains any characters other than lowercase characters; otherwise, True will be returned. Example In this program given below, we are using the regular expression ?[a z]+$' to check whether the given string is lowercased or not. Open Compiler import re...
Get Your Code:Click here to download the free sample codethat you’ll use to check if a string contains a substring. Take the Quiz:Test your knowledge with our interactive “How to Check if a Python String Contains a Substring” quiz. You’ll receive a score upon completion to help you...
# Python program to check if a string # contains any special character import re # Getting string input from the user myStr = input('Enter the string : ') # Checking if a string contains any special character regularExp = re.compile('[@_!#$%^&*()<>?/\|}{~:]') # Printing ...
In this scenario, we have auser_inputstring representing a user’s input, and we want to check if it contains thekeyword“apple” regardless of the case. By converting both theuser_inputandkeywordto lowercase using thelower()method, we can perform a case-insensitive check using theinoperator...
# An empty string empty_string = '' # Also an empty string second_empty_string = "" # We are not done yet third_empty_string = """ # This is also an empty string: ''' 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12....
This is because the function found lowercase characters in the string. Whereas, the second print statement has printed out False. This is because the string contains only uppercase letters as well. Closing thoughts Swapping the character cases is a common string operation in Python. In this ...
another_string_function = str(True)# str converts a boolean data type to string data type # An empty string empty_string ='' # Also an empty string second_empty_string ="" # We are not done yet third_empty_string ="""# This is also an empty string: ''' 在Python ...
7 8 Public module variables: 9 10 whitespace -- a string containing all characters considered whitespace 11 lowercase -- a string containing all characters considered lowercase letters 12 uppercase -- a string containing all characters considered uppercase letters 13 letters -- a string containing ...
a=102content ="this is a very long string contains: %s, %s"%(string.ascii_lowercase, string.ascii_uppercase)ifnot(len(content)==0):if( (1+2) % (4+3) ) ==1andaisnotNone:pass 使用flake8 检查后得到的结果将会是这样: $ flake8 main.py ...
5. String lower() MethodThis method returns a string with all the letters in lowercase.SyntaxHere is the syntax of the String lower() method:string.lower()ExampleThe following is the example demonstrating the usage of the lower() method:...