How to check if a given string matches a particular pattern in Python

Question

I want to check whether an input string matches a particular pattern of characters. How to do it in Python?

Answer 1

You can use re module of python for matching a specific pattern. re stands for regular expressions. For example

[A-Z] will match exactly one character between A and Z

\d+ will match one or more digits

() group things (and also return things... but for now just think of them grouping)

+ selects 1 or more

You can refer to the following code to understand it better

import re
pattern = re.compile("^([A-Z][0-9]+)+$")
pattern.match(string)