Extract URL parts only named capturing groups

Matches subdomain, domain and top level in a field that contains a urls. https://www.whatever.you.want ---> whatever.you.want

Aquivalent solution for golang's unsupported negative lookahead in re2 flavor of go's regex. This example provides a negative lookahead similar to (?!/api/) ignoring routes with the /api/ prefix at the start.

Testing Authelia subdomain / path rules. You can read more at the Authelia Docs By default, this regex101 page is shown a test for a generic API path domain: "some-sub.drpranavmishra.com" resources:...

see https://stackoverflow.com/questions/76228402/regex-to-extract-n-where-n-is-digit

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Validates subdomain, root domain, and wild card domains

This regexp can be used to validate domain names in Golang. While it cannot enforce the 253 character limit (with optional trailing period not included) that can be easily done by a simple len(domain) <= 253 check as well. This can be used as-is in other languages, even with RE2 regex engine. If po...

This regex can capture any column name from a select query. Be the original name, like are named on table, renamed with a reserved word AS or even without explicit AS. Go on, and test with your query ;)

for quadratic equations ||ax^2+bx+c=d||

A regexp to validate an email address according to https://html.spec.whatwg.org/#valid-e-mail-address . Note that the backslash in the name part of the regexp on that site is there to escape the forward slash, which is not needed in Go.

Check golang for presence of utf-8 char in rawEmail e.g. ?= =?UTF-8?Q? or =?3D?UTF-8?Q?

Used in Traefik to add slash

Trying to adapt this regex to support LVM.

^(((\d{3}[1-9]|\d{2}[1-9]\d|\d[1-9]\d{2}|[1-9]\d{3})(\/)(((0[13578]|1[02])(\/)(0[1-9]|[12]\d|3[01]))|((0[469]|11)(\/)(0[1-9]|[12]\d|30))|(02(\/)(0[1-9]|[1]\d|2[0-8]))))|(((\d{2})(0[48]|2468|13579)|((0[48]|2468|3579)00))(\/)02(\/)29))$ Match year/month/day format. e.g: 2020/02/29 [match] 2021/02/29 ...

SQL comments on Big Query

This regex extracts Kubernetes Resource URIs. Copyright 2021 Mathew Wicks Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License....

11

Validates that you provide a CIDR in one of the following valid ranges. 0.0.0 – 127.255.255.255 127.0.0.0/8 0.0.0 – 10.255.255.255 10.0.0.0/8 16.0.0 – 172. 31.255.255 172.16.0.0/12 192.168.0.0 – 192.168.255.255 192.168.0.0/16...