.+any character (except for line terminators), repeated at least once
Positive Lookahead(?=S{.+}fAct) S{the literal text S{ (case sensitive) .+any character (except for line terminators), repeated at least once
}fActthe literal text }fAct (case sensitive) \Kresets the starting point of the reported match. Any previously consumed characters are no longer included in the final match
S{the literal text S{ (case sensitive) .+any character (except for line terminators), repeated at least once
}fActthe literal text }fAct (case sensitive) 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