Regular Expressions 101

Group 1(start((?!start).)*?end)

startthe literal text start (case sensitive)

Group 2((?!start).)*?

*?repeats the group contents below any number of times:

Negative Lookahead(?!start)

startthe literal text start (case sensitive)

.any Unicode character

endthe literal text end (case sensitive)

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

s modifier: single line. Allows a dot to match line terminators

Detailed match information will be displayed here automatically.

Search reference

Regular Expression

(start((?!start).)*?end)

New

start spam
start rubbish
start wait for it...
    profit!
here end
start garbage
start second match
win. end