Tnanks, but the global regex _^\s*;.*$_ + [b]Edit > Lines.. > Remove blank lines[/b] it's yet good enough for my needs :)
sorry for this thread but simply I didn't know that PSPad had these features (I thought the only available regex were that showed clickng the ? button in Search&Replace dialog) -- <http://forum.pspad.com/read.php?2,58106,58115> PSPad freeware editor http://www.pspad.com
