Regular Expressions 101

Group 1([^"]|^)

1st Alternative[^"]

Negated Character Class[^"]

"the literal " (34₁₀ / 42₈ / 22₁₆)

2nd Alternative^

^start of line

Group 2(Level\s+\d+)

Levelthe literal text Level (case sensitive)

\s+any whitespace character, repeated at least once

\d+a digit, repeated at least once

Group 3([^"]|$)

1st Alternative[^"]

Negated Character Class[^"]

"the literal " (34₁₀ / 42₈ / 22₁₆)

2nd Alternative$

$end of line

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

Level 2 He is Level 2 but not Level 2 ss "Level 5 but he may be "Level 2" but Level 8" too Level 2

\1"\2"\3