Regular Expressions 101

^start of line

Wikipedia:the literal text Wikipedia: (case sensitive)

Group 1(Village pump $[^)/]+$|Teahouse|Help desk|[^/\n]*\bnoticeboard\b(?:\/[^/\n]+)?|Reference desk\/.+)

1st AlternativeVillage pump $[^)/]+$

Village pump the literal text Village pump (case sensitive)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Negated Character Class[^)/]+

+matches at least one character outside the set below:

)the literal ) (41₁₀ / 51₈ / 29₁₆)

/the literal / (47₁₀ / 57₈ / 2F₁₆)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

2nd AlternativeTeahouse

Teahousethe literal text Teahouse (case sensitive)

3rd AlternativeHelp desk

Help deskthe literal text Help desk (case sensitive)

4th Alternative[^/\n]*\bnoticeboard\b(?:\/[^/\n]+)?

Negated Character Class[^/\n]*

*matches any number of characters outside the set below:

/the literal / (47₁₀ / 57₈ / 2F₁₆)

\na line-feed (newline) character (ASCII 10)

\ban ASCII word boundary

noticeboardthe literal text noticeboard (case sensitive)

\ban ASCII word boundary

Non-Capturing Group(?:\/[^/\n]+)?

?repeats the group contents below at most once:

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

Negated Character Class[^/\n]+

+matches at least one character outside the set below:

/the literal / (47₁₀ / 57₈ / 2F₁₆)

\na line-feed (newline) character (ASCII 10)

5th AlternativeReference desk\/.+

Reference deskthe literal text Reference desk (case sensitive)

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

.+any character (except for line terminators), repeated at least once

$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.

Search reference

Regular Expression

^Wikipedia:(Village pump \([^)/]+\)|Teahouse|Help desk|[^/\n]*\bnoticeboard\b(?:\/[^/\n]+)?|Reference desk\/.+)$

New

Wikipedia:Teahouse
Wikipedia:Help desk
Wikipedia:Village pump
Wikipedia:Village pump (test)
Wikipedia:Administrator noticeboard
Wikipedia:Administrator noticeboard/Incidents
Wikipedia:Somewhere/Why I like noticeboard
Wikipedia:Reference desk
Wikipedia:Reference desk/Computing

Regular Expression

Substitution