Positive Lookbehind(?<=\s|^) \sany whitespace character
:the literal : (5810 / 728 / 3A16)
\s?optionally matches any whitespace character
-?optionally matches the literal - (4510 / 558 / 2D16)
\s?optionally matches any whitespace character
\)the literal ) (4110 / 518 / 2916)
Positive Lookahead(?=\s|$) \sany whitespace character
$end of string, or before its final line terminator
g modifier: global. Finds all matches instead of stopping after the first