Group Captures with Regular Expressions

by @micro_user

Workshop Lessons: What to learn

Regex Syntax

A review of the characters and their meanings

Multiplicity and Existence

A showing of the question-mark, an asterisk, and the plus sign. Curly braces to specify a specific number, or range multipliers

Pattern delimiters

Capturing and Non-Capturing Parenthesis, square brackets

Using Captures like variables

The content of capturing set of parenthesis referenced in its own string

Using Captures to extract information apart a string

extract the last 4 digits

All live on the web browser

See interactive examples