Regular Expressions 101

Pro

^start of line

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

xxx]the literal text xxx] (case sensitive)

.*any character (except for line terminators), repeated any number of times

Non-Capturing Group(?:\R(?!\[xxx]).*)*

*repeats the group contents below any number of times:

\Ra newline sequence

Negative Lookahead(?!\[xxx])

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

xxx]the literal text xxx] (case sensitive)

.*any character (except for line terminators), repeated any number of times

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

^\[xxx].*(?:\R(?!\[xxx]).*)*

New

[xxx] test test[xxx]foobar
more data
[xxx] more data
[xxx] other data []:foo bar
more data here
[xxx] 1234