Master the building blocks of regular expressions
What are regex patterns and why they're powerful
Learn . ^ $ * + ? [] {} | () and their uses
Understanding [abc], [a-z], [0-9], \d, \w, \s
Master *, +, ?, {n}, {n,}, {n,m}
Using ^ $ \b \B for precise matching
Parentheses for grouping and capturing text
When and how to escape special characters
Global, case-insensitive, and multiline matching