Regular Expressions 101

Group 1([A-Z]\-\d+|App)

1st Alternative[A-Z]\-\d+

Character Class[A-Z]

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

\d+a digit, repeated at least once

2nd AlternativeApp

Appthe literal text App (case sensitive)

uses the literal text uses (case sensitive)

Group 2([A-Z]\-\d+)

Character Class[A-Z]

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

\d+a digit, repeated at least once

Non-Capturing Group(?: and ([A-Z]\-\d+))*

*repeats the group contents below any number of times:

and the literal text and (case sensitive)

Group 3([A-Z]\-\d+)

Character Class[A-Z]

A-Zone character from A (65₁₀) to Z (90₁₀) (case sensitive)

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

\d+a digit, repeated at least once

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

Detailed match information will be displayed here automatically.

26 tokens

Regular Expression

([A-Z]\-\d+|App) uses ([A-Z]\-\d+)(?: and ([A-Z]\-\d+))*

New

A-1 uses B-1

// I want to match all the X-n names
A-1 uses B-1 and C-1 and C-2 and C-3

A-1 uses B-1

// I want to match all the X-n names
A-1 uses B-1 and C-1 and C-2 and C-3