Regular Expressions 101

Non-Capturing Group(?:[A-Z0-9]{6}-|[A-Z0-9]{5}--)

1st Alternative[A-Z0-9]{6}-

Character Class[A-Z0-9]{6}

{6}matches exactly 6 characters from the set below:

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

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

-the literal - (45₁₀ / 55₈ / 2D₁₆)

2nd Alternative[A-Z0-9]{5}--

Character Class[A-Z0-9]{5}

{5}matches exactly 5 characters from the set below:

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

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

--the literal text --

Character Class[0-9]{3}

{3}matches exactly 3 characters from the set below:

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

Character Class[A-Z]{2}

{2}matches exactly 2 characters from the set below:

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

65the literal text 65

Character Class[0-9A-F]{2}

{2}matches exactly 2 characters from the set below:

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

A-Fone character from A (65₁₀) to F (70₁₀) (case sensitive)

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

(?:[A-Z0-9]{6}-|[A-Z0-9]{5}--)[0-9]{3}[A-Z]{2}65[0-9A-F]{2}

New

123456-789LM65F2
4EF789-012XY65A5
A2345--789AB65D0
23456--890JK65D0
123-12HASJDJKA
9898AASJD823