Modified source from https://stackoverflow.com/a/64833638/1454045

Match IPv4-CIDR (JavaScript)

a regex to find first letter of each word

Matches the video Id in Youtube URL.

Regex from the Mail::RFC822::Address: regexp-based address validation Access here

Matches in python valid urls (excludes some edge cases), but pretty good to verify an URL before scraping it

大部分应当匹配的数字都匹配上了。 第2个捕获组，即是内容（可能加的有单位，需要手动去除）

This converts the values in this) table to C# code. Example: pulic enum Iso4217 { /* output here */...

Extract Singer Chit Kaung's song names in Myanmar + English

Get author names from shitty import

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Matches all laughter like: hahahahhhahahahha hahha ahah lol lolollolll...

Validate Egyptian phone numbers ... Read More (Arabic)

This validates the components of the Egyptian national ID ... See details (Arabic)

extracting constraint id from composed column header

This could be used to group eslint stuff in renovate config for a next.js project. Since you're intended to keep eslint-plugin-next at the same version as next itself, you would want to group it with next instead. Using negative lookahead we can ignore eslint-config-next (or anything else you may wi...

List of lists of numbers (no leading zeros)

https://github.com/f5devcentral/vscode-f5/issues/209

Capturing Start/Close in IRC-logs

Replace namespaces in xpath with local-name