Untitled
public text v1 · immutable/rev {var %a = 1, %bwhile ($mid($1-,%a,1) != $null) { %b = $ifmatch $+ %b | inc %a }if ($isid) return %belse say %b}
/rev {var %a = 1, %bwhile ($mid($1-,%a,1) != $null) { %b = $ifmatch $+ %b | inc %a }if ($isid) return %belse say %b}