Regular Expressions 101

Negative Lookbehind(?<!")

"the literal " (34₁₀ / 42₈ / 22₁₆)

Group 1(Level\s\d+)

Levelthe literal text Level (case sensitive)

\sany whitespace character

\d+a digit, repeated at least once

Negative Lookahead(?!")

"the literal " (34₁₀ / 42₈ / 22₁₆)

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

(?<!")(Level\s\d+)(?!")

New

This is a test with various "Level 2" and Level 5 and stuff.

Not sure how to treat "Level 2 or Level 5" though.

Also capturing Level 12 would be nice I guess? (Not "Level 12" of course though)

Regular Expression

Substitution