Regular Expressions 101

Pro

^start of line

\d+a digit, repeated at least once

Character Class[A-Z]?

?matches at most one character from the set below:

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

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

*repeats the group contents below any number of times:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

\d+a digit, repeated at least once

Character Class[A-Z]?

?matches at most one character from the set below:

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

$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.

25 tokens

^\d+[A-Z]?(?:,\d+[A-Z]?)*$

New

1

12

1A

A1

12A

A12

1AA

A

1,2,3,6A,6B,11,11A

1

12

1A

A1

12A

A12

1AA

A

1,2,3,6A,6B,11,11A