Regular Expressions 101

Pro

Group 1((\D|^)0+(0|[1-9]+))

Group 2(\D|^)

1st Alternative\D

\Dany character that's not a digit

2nd Alternative^

^start of string

0+the literal 0 (48₁₀ / 60₈ / 30₁₆) , repeated at least once

Group 3(0|[1-9]+)

1st Alternative0

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

2nd Alternative[1-9]+

Character Class[1-9]+

+matches at least one character from the set below:

1-9one character from 1 (49₁₀) to 9 (57₁₀)

Global pattern flags

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

Detailed match information will be displayed here automatically.

25 tokens

((\D|^)0+(0|[1-9]+))

New

0127.00.09.01
107.000.09.01
107.0.70.01
107.9.0.01
23.107.000.09
107.09.0.01
23.0.107.000
23.0.107.00
23.0.0127.01

$2$3

0127.00.09.01
107.000.09.01
107.0.70.01
107.9.0.01
23.107.000.09
107.09.0.01
23.0.107.000
23.0.107.00
23.0.0127.01