Intentionally leaves out weird stuff such as IPV4 or IPV6 for the domain part and quoted usernames with invalid chars in the addressee part. Handles internationalized domains with soft validation (only structural matching) and blocks domain parts starting or ending with dashes or containing double d...

This is a simple regex for 30 characters limit excluding brackets

Click "open regex in editor" to open regex. Open a webpage containing Rapidgator Links - Either rg.to or rapidgator.net Right-click anywhere on the page and select "view page source" Copy the HTML markup containing the Rapidgator links to regex101.com Paste the HTML markup and set mode to match Loca...

JS function to convert RGB(A) to HEX color for single values: /** @param {string} color the RGB(A) color @return {string} the HEX color */ function rgba2hex(color)...

Finds a number that is 9 digits long. Can have spaces or hyphens in between the numbers and will still be found

You can express the required dice-throwing as usual: 1d10, 2d6, 3d8... The first part (dice number) is mandatory. So, notations like "D10" are not computed, and they must be written as 1d10 The dice number may be expressed as [number]o[number]. For example: 1o3d10. That will mark to implement a Gaus...

https://stackoverflow.com/questions/5312349/minifying-final-html-output-using-regular-expressions-with-codeigniter Thanks to @Alan Moore

https://conventionalcommits.org Parses commits like type(scope)!: subject

Regex of email with ability to add gmail's +example system example: root email = user@gmail.com gmail+ = user+extra@gmail.com

Matches palindromes: arbitrary length ignores non-significant characters (spaces, ponctuation) ignores accents, provided the text is NFD-normalized recursive palindromes (e.g. "a été à"): either match the longest one ("a été à") or the nested ones individually ("a", "été", "à") (see comment)

IDN Domains & Normal Domains This regex is able to identify any type of domain or subdomain whether it is IDN or normal, this includes domains in emojis, non-Latin characters, etc.

POSIX ERE compatible, suitable for usage in Bash [ testing Attributions Derived from [regex101: RFC1918 - Private IPv4 addresses by 0100101101001.

Regular expression to check the email syntax validity. Certainly requires improvement, but it's a good basis to work from. Work with Java and JavaScript.

this is some cursed shit, but it does work. I use it to check whether all my ROMs have valid names or not. Makes it easier to read and, more importantly, deduplicate.

Test your RSS pubDate has a correctly formatted date value according to the RFC822 standard It will match timeZoneName (eg GMT, EST) or time zone offset (eg. +0100)

This was build on gentoo with english_ca.utf8 IIRC. Might not work for other distros... or locales supports -as the delimiter of hostname suffixing/prefixing

This is the best regex I found that was able to correctly parse cells containing multiple lines (hard line breaks). Low number of steps with sufficient speed, and it doesn't require /x option either. Source: https://gist.github.com/awwsmm/886ac0ce0cef517ad7092915f708175f

uncode word boundaries

thanks

\tilde \alpha