^start of line
Non-Capturing Group(?:a*4+|a+4*) a*the literal a (9710 / 1418 / 6116) (case sensitive), repeated any number of times
4+the literal 4 (5210 / 648 / 3416) , repeated at least once
a+the literal a (9710 / 1418 / 6116) (case sensitive), repeated at least once
4*the literal 4 (5210 / 648 / 3416) , repeated any number of times
*the literal (3210 / 408 / 2016) , repeated any number of times
s+the literal s (11510 / 1638 / 7316) (case sensitive), repeated at least once
*the literal (3210 / 408 / 2016) , repeated any number of times
d+the literal d (10010 / 1448 / 6416) (case sensitive), repeated at least once
*the literal (3210 / 408 / 2016) , repeated any number of times
$end of line
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