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Master Regular Expressions from scratch – All languages

Video Introducing this tutorial

Introduction to Regular Expressions :
Introduction
What are Regular Expressions
Regular Expression engines
Notation Convention and Modes


Characters :
Literal Characters
Global Mode
Metacharacters
Escaping Metacharacters


Character Sets :
Character Sets
Character Ranges
Negative Character Sets
Metacharacters inside Character Sets
Shorthand Character Sets
POSIX Bracket Expressions


Repetition Expressions :
Repetition Metacharacters
Quantified Repetition Expressions
Greedy and Lazy Expressions


Grouping and Alternation Characters :
Grouping Metacharacters
Alternation Metacharacter
Repeating and Nesting Alternations


Anchored Expressions :
Start and End anchors
Line Breaks and Multiline Mode
Word Boundaries


Capturing Groups and Backreferences :
Backreferences
Backreferences to Optional Expressions
Non-Capturing Groups


Lookaround Assertions :
Positive Lookahead Assertions
Negative Lookahead Assertions
Lookbehind Assertions


Unicode :
Unicode


Regular Expression Practice Examples :
Matching Names
Postal Codes
URL
Credit Card
Email
HTML Tags
IP address
Passwords