Software Carpentry:
How Do I Make RegEx Optional? Specify Optional Pattern in Regular Expressions
Learn Regex: Comprehensive Guide with 20+ Examples
The Complete Guide to Regular Expressions (Regex) - CoderPad
javascript - unexpected behaviour of question mark after parentheses in RegEx - Stack Overflow
The Regular Expressions ultimate guide for Google Analytics
Python Regular Expression - Asterisk ( * ) quantifier - Life With Data
Magic-RegExp: A JavaScript Package for Regular Expressions - The New Stack
How to match anything after a question mark in a Google Analytics goals regex? - Stack Overflow
Regex to remove question mark '?' and line breaks at the beginning of a text : r/shortcuts
replacement pattern in python(re.sub()) - Stack Overflow
find and replace - How do I express a Question mark (?) when searching with a space and text in Notepad++? - Super User
Software Carpentry:
Regular Expression (Regex, and Regexp) in Linux Ft. Grep | SmartTech101
Regex to extract strings in Excel (one or all matches)
Regular Expressions | Guide to Master NLP (Part 13)
Find and Replace with Regex seems broken — LINQPad
Find and Replace with Regex seems broken — LINQPad
Regular Expression Metacharacters- Regex Tutorial
Regex in Notepad++ with Negative Lookahead with Question Mark Operator - Stack Overflow
Regular Expression (RegEx) in Python : The Basics – Towards AI
Regex: Picking the Low-Hanging Fruit
Learn Regex: Comprehensive Guide with 20+ Examples
