Regex

Formal method of specifying particular characters, words or character standards. Made for searching, replacements, validations, filtering, etc..

Regex example

/(http:\/\/)?(www\.)?\w+\.\w{2,}(\.\w{2})?/g

It's like magic, when you find out how to do it, it's even embarrassing

VS Code Plugin

This vs code plugin helps executing regex in any language

• Code Runner

Order suggestion for learning

Executing Regex

• JS functions
• Flags

Characters

• Meta characters
• Literal text
• Dot
• Spaces
• Pipe
• Accents

Joints

• Joint
• Intervals
• Joints with goals
• Shortcuts
• Negated

Quantifiers

• Quantifiers
• Optional (Zero or one)
• One or more
• Zero or more
• Braces
• Greedy

Groups

• Groups
• Rearview mirrors

ps: the previous topics refer to file names

Unicode Table

https://unicode-table.com/pt/

Book Recommendations

• Regular Expressions: A Fun Approach
• Regular Expression Recipes