Regular Expressions 101

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Community Patterns

0

Catch packages from 'tdnf list' output

Golang
Every valid line will be of the form: . . . NOTE: the distribution tag is expected to start with at least one letter and be followed by at least one digit.
Submitted by anonymous - a year ago
1

get video id from youtube link

Golang
no description available
Submitted by RyuaNerin - 9 years ago (Last modified a year ago)
1

Chercher un Prénom ou un Nom

.NET 7.0 (C#)
no description available
Submitted by anonymous - 8 years ago (Last modified a year ago)
1

Siebel Id

Golang
no description available
Submitted by anonymous - 8 years ago
1

Domain validation regex suitable for user input

Golang
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 - 5 years ago
1

Extract columns names from any select query

Golang
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 - 6 years ago
1

IPv4 private CIDR range RFC1918

Golang
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 - 5 years ago
1

Traefik stripprefixregex for web apps

Golang
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 - 4 years ago
1

Flexible box

Golang
no description available
Submitted by anonymous - 4 years ago
1

Lxx Wurzel

Golang
no description available
Submitted by anonymous - 4 years ago
1

windows file name from full path

Golang
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 - 4 years ago
1

Unix file with full path

Golang
Find all string matches with dir, one or more subdir, file name with optional extension. Common example with all capturing groups included: ../../dir/SubDir1/SubDir2/file.ext ...
Submitted by anonymous - 4 years ago
1

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

Golang
for quadratic equations ||ax^2+bx+c=d||
Submitted by anonymous - 4 years ago
1

Matching decimals in european format (dot as grouping separator, comma as decimal separator)

Java 8
A regex for validating decimal numbers in the European number format (in many parts of Europe at least, including Germany). A comma is used as a separator for the decimal number, a dot as a separator for thousand places.
Submitted by Florian Drees - 4 years ago (Last modified 4 years ago)
1

String doesn't start or end with . - '

Java 8
String doesn't start or end with . - '
Submitted by VS - 4 years ago
1

Match all numbers

Java 8
Match all numbers from a string.
Submitted by VS - 4 years ago
1

Sınıfları Tek Tek seçme

Java 8
za
Submitted by anonymous - 3 years ago
1

sim ou não

Java 8
expressão regular que só aceita s para sim e n para não
Submitted by José Airton Neto - 3 years ago
1

Match segmented paths with '\' and '/' escaped by '\'

Java 8
Match segmented paths with '\' and '/' escaped by '\'
Submitted by anonymous - 3 years ago
1

MBI Format

Java 8
Medicare Beneficiary Identifier (MBI) Format https://www.cms.gov/medicare/new-medicare-card/understanding-the-mbi-with-format.pdf
Submitted by Chee Cheng - 3 years ago (Last modified 3 years ago)
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Community Library Entry

3

Regular Expression
Golang

`
(?i)^(?:([a-z0-9-]+|\*)\.)?([a-z0-9-]{1,61})\.([a-z0-9]{2,7})$
`
gm
Open regex in editor

Description

Validates subdomain, root domain, and wild card domains

Submitted by AnonymousDapper - 8 years ago