Regular Expressions 101

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Regular Expressions 101

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2

Extract URL parts only named capturing groups

Extract URL parts only named capturing groups

Submitted by dixanms - a year ago

2

domain for Google Data Studio (re2 dialect)

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

Submitted by anonymous - 6 years ago

1

Siebel Id

no description available

Submitted by anonymous - 6 years ago

1

Hostname validation

Validates subdomain, root domain, and wild card domains

Submitted by AnonymousDapper - 6 years ago

1

Domain validation regex suitable for user input

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...

Submitted by Alexander Dupuy - 3 years ago

1

Extract columns names from any select query

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 ;)

Submitted by Jefferson Gouveia - 5 years ago

1

^(?:\d+[a-z]|[a-z])(?:\^\d+)(?:[\+|\-])(?:\d+[a-z])(?:[\+|\-])(?:\d+\=\d+)

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

Submitted by anonymous - 2 years ago

1

Valid email regexp in Go

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.

Submitted by markus@maragu.dk - 2 years ago

1

utf-8 char in imap mail

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

Submitted by oscarunix - 2 years ago

1

Traefik - MDW to add slash

Used in Traefik to add slash

Submitted by juranir.santos@gmail.com - 2 years ago

1

lsblk-output-regex

Trying to adapt this regex to support LVM.

Submitted by anonymous - 2 years ago

1

yyyy/mm/dd

^(((\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 ...

Submitted by mayl0421 - 2 years ago

1

SQL comments Big Query

SQL comments on Big Query

Submitted by anonymous - a year ago

1

Parse Kubernetes Resource URI Paths

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....

Submitted by Mathew Wicks - a year ago

1

1

Submitted by anonymous - 7 months ago

1

IPv4 private CIDR range RFC1918

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...

Submitted by David Stockton - 3 years ago

1

Traefik stripprefixregex for web apps

Notes: Do not forget to escape the $ by an additional $. Escaping ? like \? does not work. But you could use [?] instead End result should be like this: "traefik.http.middlewares.r6tt-dev-web.stripprefixregex.regex=^/[a-z0-9/]+[a-z0-9]+([?]+.*)?$$"...

Submitted by anonymous - 3 years ago

1

Flexible box

no description available

Submitted by anonymous - 3 years ago

1

Lxx Wurzel

no description available

Submitted by anonymous - 3 years ago

1

windows file name from full path

Find all string matches with dir, one or more subdir, file name with optional extension. Common example with all capturing groups included: C://ProgramFiles/MyDir1/myDir2/file.ext

Submitted by anonymous - 3 years ago

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