\[the literal [ (9110 / 1338 / 5B16)
\s+any whitespace character, repeated at least once
Group users_to_delete(?<users_to_delete>\d+) \d+a digit, repeated at least once
\s+any whitespace character, repeated at least once
\]the literal ] (9310 / 1358 / 5D16)
users to delete, the literal text users to delete, (case sensitive) \[the literal [ (9110 / 1338 / 5B16)
\s+any whitespace character, repeated at least once
Group users_to_add(?<users_to_add>\d+) \d+a digit, repeated at least once
\s+any whitespace character, repeated at least once
\]the literal ] (9310 / 1358 / 5D16)
users to add, the literal text users to add, (case sensitive) \[the literal [ (9110 / 1338 / 5B16)
\s+any whitespace character, repeated at least once
Group users_to_update(?<users_to_update>\d+) \d+a digit, repeated at least once
\s+any whitespace character, repeated at least once
\]the literal ] (9310 / 1358 / 5D16)
users to updatethe literal text users to update (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