Email Regex: The Eternal Developer Struggle
Description
A two-panel meme that humorously illustrates a universal developer experience that never changes with time. The top panel is labeled 'DAY 1 OF PROGRAMMING' and shows a screenshot of the Google search homepage with the query 'regex for email validation' typed into the search bar. The bottom panel, labeled '10 YEARS OF PROGRAMMING,' shows the exact same screenshot, with the identical search query. The joke is that writing a regular expression for email validation is so notoriously complex and error-prone that no developer, regardless of their experience level, bothers to memorize it or write it from scratch. It highlights the practical reality that even seasoned professionals rely on searching for established, reliable solutions for common, yet tricky, problems. This meme is a nod to the fact that experience is less about rote memorization and more about knowing what to look up and where to find the best answer
Comments
24Comment deleted
Seniority with regex isn't about writing it from memory; it's about knowing which of the top 5 Stack Overflow answers is the least wrong
Ten years in and I can autoscale Kubernetes across three continents, but one user enters “dev@[IPv6:2001:db8::1]” and I’m back on Google hunting for that six-kilobyte email regex I still refuse to memorise
After 20 years, you finally memorize the email regex... just in time for everyone to switch to magic links and OAuth because nobody wants to deal with RFC 5322's 6,857 word specification for what constitutes a valid email address
After 10 years, you've learned that email validation regex isn't something you memorize - it's something you've bookmarked in three different browsers, saved in a gist you can never find, and ultimately just Google again because the RFC 5322 spec is 3,000 lines of 'technically valid' edge cases that make you question whether anyone actually needs to receive email from 'user@[IPv6:2001:db8::1]' anyway
Ten years in and I still Google “regex for email validation” - not for the monster pattern, but for the Stack Overflow link I send to Product: the only correct validator is “.+@.+” and a magic link
Email regex: the one pattern where time complexity is eternally O(Google), no local optimization beats the cloud
Seniority is realizing the only correct email validator is send-a-verification-mail, yet my fingers still type “regex for email validation” before the coffee finishes pouring
ihateregex.io Comment deleted
Оххх Comment deleted
🔥🔥 Comment deleted
the best way to validate email is to email a link to the user Comment deleted
Why for 10 years Google didn't change design? Comment deleted
Are you satisfied now? Comment deleted
Yep Comment deleted
Oh no no no😔 You should never validate email with regex... Comment deleted
Why not? Comment deleted
https://davidcel.is/posts/stop-validating-email-addresses-with-regex/ Comment deleted
got habr 4 u, if u know russian :) https://habr.com/ru/post/175375/ Comment deleted
I know russian, that's for the articles :) Comment deleted
and in this article you can find really crazy examples of valid addressees, that will not pass regex validation https://haacked.com/archive/2007/08/21/i-knew-how-to-validate-an-email-address-until-i.aspx/ Comment deleted
My world was a lie, I'm outta create some crazy unique email Thanks for opening my eyes :D Comment deleted
Ahahah, no prob 🙃 Comment deleted
same on habr in Russian https://habr.com/ru/post/274985/ Comment deleted
Тру... Comment deleted