Regex Javascript | Regular Expressions in JavaScript

Published: 21 December 2020
on channel: Dave Gray

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Regex (aka Regular Expressions) in JavaScript are very useful. In this tutorial, we'll take user input for validation and provide hints for the user along the way. We'll also look at a common fix with regex that most user input will benefit from. Finally, we'll look at encoding text with encodeURI() and why we should use regex to clean the text first.

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✅ Quick Concepts outline:
Regex in JavaScript:
• Testing for a regex pattern match
• Providing feedback for the user
• Cleaning the input text for storage with replaceAll
• A common problem with user text inputs
• Cleaning the text before encoding

🔗 Code Repository: https://github.com/gitdagray/regex_js...

📚 References:
MDN Regular Expressions: https://developer.mozilla.org/en-US/d...
RegExer: https://regexr.com/
Regex101: https://regex101.com/

📺 More Beginner JS Videos:
freeCodeCamp:    • Learn JavaScript - Full Course for Be...
Traversy Media:    • JavaScript Crash Course For Beginners
The Net Ninja:    • Modern JavaScript Tutorial #1 - Intro...

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