powthe literal text pow (case sensitive) \s*any whitespace character, repeated any number of times
\(the literal ( (4010 / 508 / 2816)
Group 1(([^()]|\((?2)+\))+) Group 2([^()]|\((?2)+\))+ +repeats the group contents below at least once:
Negated Character Class[^()] (the literal ( (4010 / 508 / 2816)
)the literal ) (4110 / 518 / 2916)
\(the literal ( (4010 / 508 / 2816)
(?2)+calls group 2 as a subroutine, repeated at least once
\)the literal ) (4110 / 518 / 2916)
\s*any whitespace character, repeated any number of times
,the literal , (4410 / 548 / 2C16)
\s*any whitespace character, repeated any number of times
2the literal 2 (5010 / 628 / 3216)
\s*any whitespace character, repeated any number of times
\)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