Regular Expressions 101

Pro

Non-Capturing Group(?:\G(?!^),|p\()

1st Alternative\G(?!^),

\Gstart of current search

Negative Lookahead(?!^)

^start of line

,the literal , (44₁₀ / 54₈ / 2C₁₆)

2nd Alternativep\(

pthe literal p (112₁₀ / 160₈ / 70₁₆) (case sensitive)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Group 1(\w+_\d+(?:-p($(?:[^()]++|(?2))*$))?)

\w+any word character, repeated at least once

_the literal _ (95₁₀ / 137₈ / 5F₁₆)

\d+a digit, repeated at least once

Non-Capturing Group(?:-p($(?:[^()]++|(?2))*$))?

?repeats the group contents below at most once:

-pthe literal text -p (case sensitive)

Group 2($(?:[^()]++|(?2))*$)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Non-Capturing Group(?:[^()]++|(?2))*

*repeats the group contents below any number of times:

1st Alternative[^()]++

Negated Character Class[^()]++

++matches at least one character outside the set below:

(the literal ( (40₁₀ / 50₈ / 28₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

2nd Alternative(?2)

(?2)calls group 2 as a subroutine

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

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

(?:\G(?!^),|p\()(\w+_\d+(?:-p(\((?:[^()]++|(?2))*\)))?)

New

T_0-p(T_1-p(T_2,K_0),CW_0)

T_0-p(T_1-p(T_2,K_0),CW_0)