Grouping and Capturing

Parentheses Syntax

Subpattern Organization

Precedence Control

Nested Groups

Automatic Numbering

Group References

Capture Storage

Group Hierarchy

Syntax and Purpose

Performance Benefits

Readability Improvements

When to Use

Named Capture Syntax

Reference by Name

Language Variations

Advantages over Numbered Groups

Numbered Backreferences

Named Backreferences

Self-Referencing Patterns

Replacement Context Usage