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<blockquote style="position: relative; padding-left: 55px;"><section><a href="https://social.wildeboer.net/users/jwildeboer/statuses/113998077947590596">Jan Wildeboer 😷:krulorange: (jwildeboer@social.wildeboer.net)'s status on Friday, 14-Feb-2025 04:04:58 JST</a><a href="https://social.wildeboer.net/@jwildeboer" title="jwildeboer@social.wildeboer.net"><img src="https://gnusocial.jp/avatar/2767-48-20250205224340.webp" width="48" height="48" alt="Jan Wildeboer 😷:krulorange:" style="position: absolute; left: 0; top: 0;">Jan Wildeboer 😷:krulorange:</a><div><a href="https://social.wildeboer.net/@jwildeboer/113997818837835675" rel="in-reply-to">in reply to</a></div></section><article><p>Inspired by one of the reasons IPv6 struggles with broad adoption, IMHO. So. Many. Notations. Making life miserable trying to work with it. (and yes, you can copy/paste both regexes from the ALT text, you're welcome)</p><p>Source: <a href="https://codeberg.org/jwildeboer/gists/src/branch/main/2023/20230422LogCheck.md" rel="nofollow noreferrer">https://codeberg.org/jwildeboer/gists/src/branch/main/2023/20230422LogCheck.md</a></p></article><footer><a rel="bookmark" href="https://gnusocial.jp/conversation/4560342#notice-8928048">In conversation</a><time datetime="2025-02-14T04:04:58+09:00" title="Friday, 14-Feb-2025 04:04:58 JST">about 8 days ago</time> <span>from <span><a href="https://social.wildeboer.net/@jwildeboer/113998077947590596" rel="external" title="Sent from social.wildeboer.net via ActivityPub">social.wildeboer.net</a></span></span><a href="https://social.wildeboer.net/@jwildeboer/113998077947590596">permalink</a><h4>Attachments</h4><ol><li><article><header><div>Domain not in remote thumbnail source whitelist: codeberg.org</div><h5><a href="https://codeberg.org/jwildeboer/gists/src/branch/main/2023/20230422LogCheck.md">gists/2023/20230422LogCheck.md at main</a></h5><div> from <span>jwildeboer</span></div></header><div>gists - A collection of short notes on specific little things that are good to store and share but not enough for a blog entry. Mostly geeky stuff.</div><footer></footer></article></li><li><label><a rel="external" href="https://gnusocial.jp/attachment/4132183">Grep IPv4A simple regex to catch IPv4 addresses in log files.egrep -o "([0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3})"
Grep IPv6A "simple" regex to catch all sorts of IPv6 notations in log files.egrep -o "(([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,7}:|([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|:((:[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(ffff(:0{1,4}){0,1}:){0,1}((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])|([0-9a-fA-F]{1,4}:){1,4}:((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9]))(\/((1(1[0-9]|2[0-8]))|([0-9][0-9])|([0-9])))?"Adapted from https://gist.github.com/khanzf/27996c1660317a4a2988</a></label><br><a href="https://cdn.masto.host/socialwildeboernet/media_attachments/files/113/998/072/819/649/566/original/15bfbe17e12c6835.png" rel="external">https://cdn.masto.host/socialwildeboernet/media_attachments/files/113/998/072/819/649/566/original/15bfbe17e12c6835.png</a></li></ol></footer></blockquote>

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Jan Wildeboer 😷:krulorange: (jwildeboer@social.wildeboer.net)'s status on Friday, 14-Feb-2025 04:04:58 JST Jan Wildeboer 😷:krulorange:
in reply to
Inspired by one of the reasons IPv6 struggles with broad adoption, IMHO. So. Many. Notations. Making life miserable trying to work with it. (and yes, you can copy/paste both regexes from the ALT text, you're welcome)
Source: https://codeberg.org/jwildeboer/gists/src/branch/main/2023/20230422LogCheck.md
In conversationabout 8 days ago from social.wildeboer.netpermalink
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1. Domain not in remote thumbnail source whitelist: codeberg.org
  gists/2023/20230422LogCheck.md at main
  from jwildeboer
  gists - A collection of short notes on specific little things that are good to store and share but not enough for a blog entry. Mostly geeky stuff.
2. Grep IPv4 A simple regex to catch IPv4 addresses in log files. egrep -o "([0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3})" Grep IPv6 A "simple" regex to catch all sorts of IPv6 notations in log files. egrep -o "(([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,7}:|([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|:((:[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(ffff(:0{1,4}){0,1}:){0,1}((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])|([0-9a-fA-F]{1,4}:){1,4}:((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9]))(\/((1(1[0-9]|2[0-8]))|([0-9][0-9])|([0-9])))?" Adapted from https://gist.github.com/khanzf/27996c1660317a4a2988
  https://cdn.masto.host/socialwildeboernet/media_attachments/files/113/998/072/819/649/566/original/15bfbe17e12c6835.png

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