try [^,(]'[^,)]
that is 'apostrophe not surrounded by either comma or parentheses' if you want to escape that char, you may use ([^,(])'([^,)]) $1\\'$2 replacement. Probably not perfect, but seemingly functional. -- <http://forum.pspad.com/read.php?2,56341,56342> PSPad freeware editor http://www.pspad.com
