Regular Expressions 101

^start of line

XYZthe literal text XYZ (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Non-Capturing Group(?:ALL|P?[0-9]+(?:-[0-9]+)?(?:,[0-9]+(?:-[0-9]+)?)*)

1st AlternativeALL

ALLthe literal text ALL (case sensitive)

2nd AlternativeP?[0-9]+(?:-[0-9]+)?(?:,[0-9]+(?:-[0-9]+)?)*

P?optionally matches the literal P (80₁₀ / 120₈ / 50₁₆) (case sensitive)

Character Class[0-9]+

+matches at least one character from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

Non-Capturing Group(?:-[0-9]+)?

?repeats the group contents below at most once:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[0-9]+

+matches at least one character from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

Non-Capturing Group(?:,[0-9]+(?:-[0-9]+)?)*

*repeats the group contents below any number of times:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Character Class[0-9]+

+matches at least one character from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

Non-Capturing Group(?:-[0-9]+)?

?repeats the group contents below at most once:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[0-9]+

+matches at least one character from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

$end of line

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.

Search reference

Regular Expression

^XYZ\/(?:ALL|P?[0-9]+(?:-[0-9]+)?(?:,[0-9]+(?:-[0-9]+)?)*)$

New

XYZ/1
XYZ/1,2-5
XYZ/5,7,8-9
XYZ/2-4,6-8,9
XYZ/ALL
XYZ/P1
XYZ/P2,3
XYZ/P4,5-7
XYZ/P1-4,5-7,8-9