hm, I could've sworn it wasn't. http://www.regular-expressions.info/gnu.html http://www.regular-expressions.info/gnu.html says that \?, \+, and \| are GNU exten

hm, I could've sworn it wasn't. http://www.regular-expressions.info/gnu.html http://www.regular-expressions.info/gnu.html says that \?, \+, and \| are GNU extensions though.