Regular Expressions 101

^start of line

Group seg_a(?P<seg_a>[0-9]{2,7})

Character Class[0-9]{2,7}

{2,7}matches between 2 and 7 characters from the set below:

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

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Group seg_b(?P<seg_b>[0-9]{2})

Character Class[0-9]{2}

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

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

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Group checksum(?P<checksum>[0-9])

Character Class[0-9]

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.

25 tokens

Regular Expression

^(?P<seg_a>[0-9]{2,7})-(?P<seg_b>[0-9]{2})-(?P<checksum>[0-9])$

New

10022-31-8
10024-97-2
100-25-4
10025-67-9
7647-01-0
151-21-3
9003-11-6
9005-65-6
506-64-9
563-63-3
7783-90-6
7783-92-8
134842-07-2
202120-08-9
617-12-9
480-22-8

Extraction

10022-31-8
10024-97-2
100-25-4
10025-67-9
7647-01-0
151-21-3
9003-11-6
9005-65-6
506-64-9
563-63-3
7783-90-6
7783-92-8
134842-07-2
202120-08-9
617-12-9
480-22-8