Regular Expressions 101

Positive Lookbehind(?<=\*[^\s]+\s+0*)

\*the literal * (42₁₀ / 52₈ / 2A₁₆)

Negated Character Class[^\s]+

+matches at least one character outside the set below:

\sany whitespace character

\s+any whitespace character, repeated at least once

0*the literal 0 (48₁₀ / 60₈ / 30₁₆) , repeated any number of times

Group 1([1-9]+[0-9]*)

Character Class[1-9]+

+matches at least one character from the set below:

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

Character Class[0-9]*

*matches any number of characters from the set below:

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

Positive Lookahead(?=\+)

\+the literal + (43₁₀ / 53₈ / 2B₁₆)

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

(?<=\*[^\s]+\s+0*)([1-9]+[0-9]*)(?=\+)

New

*X19845674367       00000002+000000000000123000KGS000CDH000002