Regular Expressions 101

Pro

Group 1(\w+)

\w+any word character, repeated at least once

Non-Capturing Group(?:\s\[(.+?)\]$(.+?)$)?

?repeats the group contents below at most once:

\sany whitespace character

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

Group 2(.+?)

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

\]the literal ] (93₁₀ / 135₈ / 5D₁₆)

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Group 3(.+?)

.+?any character (except for line terminators), 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

(\w+)(?:\s\[(.+?)\]\((.+?)\))?

New

textA [aaa](bbb) textB [ccc](ddd) textC

textA [aaa](bbb) textB [ccc](ddd) textC