regex101: PCRE (Legacy) Substitution Workspace

Pro

^start of line

Negative Lookbehind(?<!\) end)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

endthe literal text end (case sensitive)

.*?any character (except for line terminators), repeated any number of times

\(the literal ( (40₁₀ / 50₈ / 28₁₆)

Group 1([^()]+?)

Negated Character Class[^()]+?

+?matches at least one character outside the set below:

(the literal ( (40₁₀ / 50₈ / 28₁₆)

)the literal ) (41₁₀ / 51₈ / 29₁₆)

\)the literal ) (41₁₀ / 51₈ / 29₁₆)

endthe literal text end (case sensitive)

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

25 tokens

Regular Expression

^(?<!\) end).*?\(([^()]+?)\) end

New

There are some other sentences before (some otherwords which I am not interested in) all these.This is a sample string (something which I am interested in) end. This is another repeated string (with some otherwords) end.

Extraction

There are some other sentences before (some otherwords which I am not interested in) all these.This is a sample string (something which I am interested in) end. This is another repeated string (with some otherwords) end.