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Ian Dunn

Personal blog · fightingforalostcause.netprogrammingwriting

Ian Dunn writes Fighting for a Lost Cause.net, a personal blog at fightingforalostcause.net about programming and writing. Since 2008, 8 different Hacker News readers have linked it 13 times, most often “Perfect email regex finally found”. The last post was in 2017, but the archive is still widely read.

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13mentions?
8HN people?
2008–2026first – last linked?
Links on Hacker News per year · peak 2 in 2011

Too few sampled comments (5) to say how often HN recommends it.?

Why HN links it

HN readers link Ian Dunn's 2006 page comparing email-address regexes against a set of valid addresses, to show how different validation patterns perform. Commenters cite it when discussing email validation.

Summarised by Claude from a sample of 5 HN comments that link here. Each comment is marked recommending, critical or neutral (citing without judging); how this works.

Ian Dunn's personal blog

Most-linked posts?

  1. Perfect email regex finally found
    5 people · 6 mentions · first linked 2008-10-03
  2. Comparing Email Address Validating Regular Expressions
    2 people · 6 mentions · first linked 2022-01-05

What Hacker News says?

  1. The way that a perfect regex was found: http://fightingforalostcause.net/misc/2006/compare-email-reg...

    Comment linking /misc/2006/compare-email-regex.php

    on “Stop validating email addresses with your complex regex”
  2. Submitted Perfect email regex finally found as a story · 310 points

    HN discussion
  3. ramy_d · 2013-05-24Recommends
    yes, there's a good page here about the different regexs: http://fightingforalostcause.net/misc/2006/compare-email-reg...

    Comment linking /misc/2006/compare-email-regex.php

    on “Stop Validating Email Addresses With Your Complex Regex”
  4. Submitted Comparing E-mail Address Validating Regular Expressions as a story · 5 points

    HN discussion
  5. Visualization of the perfect email regex: http://goo.gl/p80Ky Regex source: http://fightingforalostcause.net/misc/2006/compare-email-reg...

    Comment linking /misc/2006/compare-email-regex.php

    on “Regex Visualization: give it a regex and see the state diagram ”
  6. Submitted Comparing E-mail Address Validation Regular Expressions as a story · 5 points

    HN discussion
  7. lpolovets · 2011-06-01Recommends
    http://fightingforalostcause.net/misc/2006/compare-email-reg... is a good site that has a number of email regex variants and how well they do on various email address formats.

    Comment linking /misc/2006/compare-email-regex.php

    on “Formly: the form glamorizer for jQuery”
  8. Submitted Comparing Email Address Validating Regular Expressions as a story · 3 points

    HN discussion
  9. See also this comparison of email regular expressions (as found in various languages and libraries), compared against a selection of valid email addresses: https://fightingforalostcause.net/content/misc/2006/compare-...

    Comment linking /content/misc/2006/compare-email-regex.php

    on “Ruby's Email Address Regexp”
  10. Submitted Comparing Email Address Validating Regular Expressions (2006) as a story · 2 points

    HN discussion
  11. https://fightingforalostcause.net/content/misc/2006/compare-... This is one of my favorite articles on validating emails using RegEx, I fondly remember reading it over 15 years ago. It's stuck with me ever since.

    Comment linking /content/misc/2006/compare-email-regex.php

    on “Lies We Tell Ourselves About Email Addresses”
  12. Submitted Comparing Email Address Validating Regular Expressions (2006) as a story · 1 points

    HN discussion
  13. This[1] is or at least, was PHPs validator for email. Author provides a lot of insight into the complexity of regexing emails. [1] https://fightingforalostcause.net/content/misc/2006/compare-...

    Comment linking /content/misc/2006/compare-email-regex.php

    on “Email Address Regular Expression That 99.99% Works”

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