In this article, we will learn about how to use Python Regex to validate name using IGNORECASE.
re.IGNORECASE : This flag allows for case-insensitive matching of the Regular Expression with the given string i.e. expressions like
[A-Z] will match lowercase letters, too. Generally, It’s passed as an optional argument to
Let’s consider an example of a form where the user is asked to enter their name and we have to validate it using RegEx. The format for entering name is as follow:
- Mr. or Mrs. or Ms. (Either one) followed by a single space
- First Name, followed by a single space
- Middle Name(optional), followed by a single space
- Last Name(optional)
Input : Mr. Albus Severus Potter Output : Valid Input : Lily and Mr. Harry Potter Output : Invalid
Note : Since, we are using IGNORECASE flag, the first character of First, Second, and Last name may or may not be capital.
Below is the Python code –
Valid Invalid Valid valid