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A look at using Regular Expressions (RegEx)

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A look at using Regular Expressions (RegEx)

In this video I wanted to explore RegEx as it’s so powerful and can really change a lot of the different things we need to do.

πŸ”Ž Looking for content on a particular topic? Search the channel. If I have something it will be there!

β–¬β–¬β–¬β–¬β–¬β–¬ C H A P T E R S ⏰ β–¬β–¬β–¬β–¬β–¬β–¬
0:00 – Introduction
1:58 – Basic letter matching
3:10 – Using . for any character
4:35 – Using character group [ ]
6:00 – Using groups ( ) and or |
7:50 – Not in the group ^
8:59 – Character ranges
13:10 – Start and end anchors ^ $
14:55 – Word checking b
17:33 – One or more with +
20:00 – Zero or more with *
21:30 – Zero or one with ?
22:30 – Quantifiers { }
24:40 – Digit with d and quantifiers
27:50 – Replacing parts of a string and group extraction
31:36 – Email validate checking
35:20 – Capturing and named capture
38:00 – Working with special characters
39:55 – Removing whitespace and forcing laziness
44:08 – Forcing lazy
48:00 – Possessive and atomic groups
50:05 – Lookahead and lookbehind
57:44 – Cheat sheet
59:05 – Example RegEx I use to scrap a document
1:01:05 – RegEx debug web tools
1:03:55 – Close

β–¬β–¬β–¬β–¬β–¬β–¬ K E Y L I N K S πŸ”— β–¬β–¬β–¬β–¬β–¬β–¬
β–Ί My demo file:
πŸ”— https://github.com/johnthebrit/RandomStuff/blob/master/RegEx/RegExDemo.ps1
β–Ί Useful tools:
πŸ”— https://regexr.com/
πŸ”— https://Debuggex.com
β–Ί RegEx Cheat Sheet:
πŸ”— https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions/Cheatsheet

β–¬β–¬β–¬β–¬β–¬β–¬ Want to learn more? πŸš€ β–¬β–¬β–¬β–¬β–¬β–¬
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Date: June 7, 2022