How to Write Regular Expressions Without Going Crazy (Beginners Tutorial)
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Learn Regular Expressions with this masterclass tutorial.
Every programmer should have a good handle on how to wield this powerful tool. Knowing how to read and write regular expressions will greatly enhance your ability as a programmer to navigate and extract complex data structures with ease. This video will deep dive into all the underlying mechanics and syntax around regex as well as provide real world examples of how to implement this with JavaScript and python to build web scrapers, email validation, and front end password validators.
Outline
Intro 0:00 - 01:42
Constructing a Regex 1:42 - 2:30
Literal/Special Character 2:30 - 2:50
Special Characters 2:50 - 4:25
Shorthands 4:25 - 5:15
Anchors 5:15 - 6:24
Repetition 6:24 - 9:06
Capture Groups 9:06 - 12:40
Character Classes 12:40 - 14:46
Negated Character Class 14:46 - 16:30
Back References 16:30 - 18:06
Search and Replace 18:06 - 19:17
Positive Look Ahead 19:17 - 20:13
Negative Look Around 20:13 - 21:40
Flags and Modifiers 21:40 - 22:30
Match on Email Addresses 22:30 - 24:35
JavaScript Regex 24:35 - 32:00
Password Validation 32:00 - 34:06
Web Scraping 34:06 - 39:27
Python RE Package 39:27 - 40:38
#regex #regularexpression
Regex Validator
https://regex101.com/
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