Learn Regex (Regular Expressions) by examples with beginner's guide. You will find how they work and how to use them in a range of common scenarios - validations for - numbers, dates, capital letters, groups, cheat sheets. You can find how to use regex in programming languages and also in text editors.
How to match a digit n times with regex in Python
Here are several approaches to match a digit n times
Python, Linux, Pandas, Better Programmer video tutorials
The most complete list of popular topics related to Python,
Python advanced regex extraction example
This post cover advanced techniques for regex extraction from text.
Python Regular Expression Tutorial for Beginners
In this post:
* python regex match
* python regex search
Notepad++ regex find group of words and replace
You can check other example here:
Notepad++ regex replace capture
Java regular expressions 5 examples
you can check also: java regex matcher example