Regular Expressions 101

(?i)applies the following effective flags to the remainder of the pattern: gi

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

Non-Capturing Group(?:\G(?!\A)|Catch(?:This|That|Anything)\s*\()

1st Alternative\G(?!\A)

\Gstart of current search

Negative Lookahead(?!\A)

\Astart of string

2nd AlternativeCatch(?:This|That|Anything)\s*\(

Catchthe literal text Catch (case insensitive)

Non-Capturing Group(?:This|That|Anything)

1st AlternativeThis

Thisthe literal text This (case insensitive)

2nd AlternativeThat

Thatthe literal text That (case insensitive)

3rd AlternativeAnything

Anythingthe literal text Anything (case insensitive)

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

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Negated Character Class[^()"]*

*matches any number of characters outside the set below:

(the literal ( (40₁₀ / 50₈ / 28₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

"the literal " (34₁₀ / 42₈ / 22₁₆)

\Kresets the starting point of the reported match. Any previously consumed characters are no longer included in the final match

"the literal " (34₁₀ / 42₈ / 22₁₆)

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

(?i)(?:\G(?!\A)|Catch(?:This|That|Anything)\s*\()[^()"]*\K"

New

Any text and "much" "more" of it. Don't replace quotes here
CatchThis( no quotes here, "any more text" , "and so on and so forth...")
catchthat("some other text" , "or less")
some text in "between"
CatchAnything ( "even more" , "and more", no quotes there, "wall of text")
more ("text"""") and quotes after...

Substitution

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