Feb 5, 2021 · You can convert your input as well as the concerned comparing value into the same case whether it may be in lowercase or uppercase by using .lower() or .upper().

Nov 23, 2015 · ask2 = input("Please enter it in such form (XX00XXX): ").lower() valid = re.compile("[a-z][a-z]\d\d[a-z][a-z][a-z]\Z") # b will start and end the program, meaning no more …

Oct 4, 2012 · Usually you would use str.lower() (or str.upper()) on the input to normalise it. Python3.3 has a new method called str.casefold() which works properly for unicode

Jul 4, 2020 · To convert strings in python to uppercase or vice versa there is an upper (). And to check whether a string is in uppercase isupper () is used.

May 3, 2025 · In this article we will learn and explore these methods: The isupper() method checks whether all the characters in a string are uppercase. For example: string.isupper () …

Definition and Usage The upper() method returns a string where all characters are in upper case. Symbols and Numbers are ignored.

Nov 20, 2021 · In your case a good solution would be to always convert the input to either lower or upper case and compare against the result. Most of the time you also want to strip () the …

Apr 7, 2025 · Learn how to convert strings to uppercase in Python using built-in methods like `upper ()`. Ideal for formatting, comparisons, and data standardization.

Apr 19, 2025 · Display input in upper and lower case. Write a Python script that takes input from the user and displays that input back in upper and lower cases. Sample Solution: Python …

Mar 17, 2025 · Whether you are cleaning data, validating user input, or formatting text for display, understanding how to convert strings to uppercase, check for uppercase characters, and …