Regular Expressions 101

Non-Capturing Group(?:(?<=^tags::)|\G(?<!^))

1st Alternative(?<=^tags::)

Positive Lookbehind(?<=^tags::)

^start of line

tags::the literal text tags:: (case sensitive)

2nd Alternative\G(?<!^)

\Gstart of current search

Negative Lookbehind(?<!^)

^start of line

Group 1(\s*\w+)

\s*any whitespace character, repeated any number of times

\w+any word character, repeated at least once

Positive Lookahead(?= )

the literal (32₁₀ / 40₈ / 20₁₆)

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

(?:(?<=^tags::)|\G(?<!^))(\s*\w+)(?= )

New

some random text
tags:: tree dog book razor
some random text