The [http://trac.edgewall.org/browser/plugins/1.0/spam-filter/tracspamfilter/filters/regex.py regex​ filter] reads a list of regular expressions from this page; each regular expression (case sensitive) being on a separate line inside the code block. Uses the ​[http://docs.python.org/lib/re-syntax.html Python syntax] for regular expressions. If any of these regular expressions match the submitted content the submission will be rejected. {{{ (?i)ceramides (?i)auction (?i)zymbiotix (?i)acai (?i)rejuval (?i)lumanelle (?i)biogeniste (?i)poweredessay (?i)penomet (?i)ketone (?i)garcinia (?i)cambogia (?i)moisturizer (?i)pelevoni (?i)erectile (?i)viagra (?i)sepiamutiny (?i)amacari (?i)ultimo (?i)facts?\.com (?i)advice\.com (?i)apsense\.com (?i)essays?\.com (?i)aktive.?am (?i)nutra.?tone (?i)belle.?complex (?i)cleansing.?milk (?i)joint.?pain (?i)workout.?thigh (?i)xtreme.?antler (?i)wrinkle.?re (?i)stress.?reduction (?i)clean.?skin (?i)treasury.?bond (?i)buffing.?cream (?i)your.?wrinkles (?i)wrinkles.?in.?minutes (?i)cig(?:arette|ar) (?i)\se.?(?:sigs?\s|cig|bay) (?i)weight.?(?:gain|loss) (?i)make.?up.?remov(?:er|ing) (?i)anti.?(?:age?ing|wrinkle) (?i)skin.?(?:care|treatment|natural|soly) (?i)fat.?(?:burning|loss) (?i)muscle.?(?:building|growth|rev) (?i)(?:place|online).?bid (?i)(?:supra|super|zen|colon|liso|facial).?cleanse (?i)(?:carb|cal|fat).?diet }}}