Regular Expressions 101

Group 1(.+?)

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

\[the literal [ (91₁₀ / 133₈ / 5B₁₆)

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

(.+?)\[

New

Word1 Word2 word3 [some words in brackets]
Word1 [some words in brackets]
word1, Word2 [some words in brackets]