<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">I hadn’t heard this one before, but it sounds like it’s a reference to an old joke.<div class=""><br class=""></div><div class=""><a href="https://www.reddit.com/r/ProgrammerHumor/comments/jk7bv2/regret/" class="">https://www.reddit.com/r/ProgrammerHumor/comments/jk7bv2/regret/</a></div><div class=""><br class=""></div><div class="">When someone pasted the RFC 822 compliant (email address) regex, the followup comment, "You really need to work on your ASCII art my dude” got a good chortle out of me. Also possibly handled by the regex (I haven’t checked, frankly), but 💩.la is an actual valid domain (that’s a pile of poo emoji if your email client is doing bad things to it), so it should handle domains like that.</div><div class=""><br class=""></div><div class="">Anyhow, any long regex thread that involves programming always, always, always mentions my favorite Stack Overflow answer ever, one so golden they locked it and put a moderator note up not to report it as it was actually rendering correctly.</div><div class=""><br class=""></div><div class=""><a href="https://stackoverflow.com/questions/1732348/regex-match-open-tags-except-xhtml-self-contained-tags" class="">https://stackoverflow.com/questions/1732348/regex-match-open-tags-except-xhtml-self-contained-tags</a></div><div class=""><br class=""></div><div class="">Deirdre</div></body></html>