Regular Expressions 101

Pro

Positive Lookbehind(?<=\((?:\d+\|)*)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Non-Capturing Group(?:\d+\|)*

*repeats the group contents below any number of times:

\d+a digit, repeated at least once

\|the literal | (124₁₀ / 174₈ / 7C₁₆)

\d+a digit, repeated at least once

Positive Lookahead(?=(?:\|\d+)*\))

Non-Capturing Group(?:\|\d+)*

*repeats the group contents below any number of times:

\|the literal | (124₁₀ / 174₈ / 7C₁₆)

\d+a digit, repeated at least once

\)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.

26 tokens

(?<=\((?:\d+\|)*)\d+(?=(?:\|\d+)*\))

Text (1234|5678|901) Text (222) Text (333|444)

Text (1234|5678||901) Text (|222) Text (333|444|)

Text (123 Text
Text |123) Text
Text |123 Text

Text (1234|5678|901) Text (222) Text (333|444)

Text (1234|5678||901) Text (|222) Text (333|444|)

Text (123 Text
Text |123) Text
Text |123 Text