\(the literal ( (4010 / 508 / 2816)
R:the literal text R: (case sensitive) \d+a digit, repeated at least once
;the literal ; (5910 / 738 / 3B16)
\s*any whitespace character, repeated any number of times
L:the literal text L: (case sensitive) \d+a digit, repeated at least once
\)the literal ) (4110 / 518 / 2916)
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