Regular Expressions 101

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

Group 1([^][]+)

Negated Character Class[^][]+

+matches at least one character outside the set below:

]the literal ] (93₁₀ / 135₈ / 5D₁₆)

[the literal [ (91₁₀ / 133₈ / 5B₁₆)

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

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

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Group 3((?:[^()]+|(?2))+)

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

+repeats the group contents below at least once:

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

Regular Expression

\[([^][]+)\](\(((?:[^()]+|(?2))+)\))

New

It's very easy to make some words **bold** and other words *italic* with Markdown. You can even [link to Google!](http://google.com)
[a link](https://www.wiki.com/atopic_(subtopic))

Substitution

It's very easy to make some words **bold** and other words *italic* with Markdown. You can even [link to Google!](http://google.com)
[a link](https://www.wiki.com/atopic_(subtopic))