Regular Expressions 101

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Community Patterns

1

Email Validation

.NET 7.0 (C#)
Basic email address validation example
Submitted by Jeff Mills - 4 days ago
1

password

.NET 7.0 (C#)
password validator
Submitted by anonymous - 17 days ago
1

Entity framework mappers

.NET 7.0 (C#)
This expression converts a modelbuilder to an IEntityTypeConfiguration class. Useful for tidying up the result of a scaffold operation.
Submitted by MK - 24 days ago (Last modified 24 days ago)
1

Госуслуги - сопроводительное письмо (недопустимые символы)

.NET 7.0 (C#)
Если вы подаёте электронное заявление через портал Госуслуг и набираете текст в стороннем редакторе, то при попытке отправить такое заявление может появиться ошибка о наличии недопустимых символов. С помощью этого регулярного выражения вы сможете найти недопустимые символы и скорректировать текст с...
Submitted by NG256 - a month ago
1

T-SQL find comments in script

.NET 7.0 (C#)
Finds the comments in a t-sql (tsql) script
Submitted by Paw Jershauge - 2 months ago
1

INI Parser

.NET 7.0 (C#)
This regular expression has the following features that make it a convenient tool for working with text data. Ignoring syntax errors__ The regular expression is able to ignore syntax errors whenever possible. This allows you to handle data with formatting errors without losing important information....
Submitted by Pavel Bashkardin - 2 months ago (Last modified 9 days ago)
1

PrivtBank Receipt Parser

.NET 7.0 (C#)
PrivtBank Receipt Parser
Submitted by anonymous - 2 months ago (Last modified 2 months ago)
1

PrivtBank Receipt Parser vx520

.NET 7.0 (C#)
PrivtBank Receipt Parser vx520
Submitted by anonymous - 2 months ago (Last modified 2 months ago)
1

GS1 Transport Label (EAN-128) and parse the application identifiers datafields

.NET 7.0 (C#)
A regex to parse the GS1-128 transport / shipping label from multiple EAN-128. The Regex is generated from the offical GS1 specification will identify all datafields Like for example AI 00: Serial Shipping Container Code (SSCC) AI 01: Global Trade Item Number (GTIN) AI 02: Identification of trade i...
Submitted by anonymous - 3 months ago (Last modified 3 months ago)
1

.*(EXCEL[.]EXE).*(?i)(Maxicredito).*([.]xlsx - Excel)

.NET 7.0 (C#)
.(EXCEL[.]EXE).(?i)(Maxicredito).*([.]xlsx - Excel)
Submitted by anonymous - 4 months ago
1

ActivityWatcher

.NET 7.0 (C#)
sda
Submitted by anonymous - 4 months ago
1

Match all HTML heading elements and capture their titles

.NET 7.0 (C#)
Useful for matching/finding and capturing/extracting the titles of HTML heading elements. This was used to identify all heading elements within the body of a web page for the purposes of generating a Table of Contents for the page. Note: This expression could be altered for different HTML element ta...
Submitted by Darius Liktorius - 4 months ago
1

Initializing identifiers

.NET 7.0 (C#)
Initializing identifiers
Submitted by anonymous - 7 months ago
1

Simple URL validation

.NET 7.0 (C#)
Validates protocol, sub-domain, domain, and top-level domain. No port number and query string parameters validation is made.
Submitted by anonymous - 7 months ago
3

Placeholder resolving

.NET 7.0 (C#)
.Net regular expression for resolving placeholders in the format of ${rewriter(multilevel:key)?fallback} (+ variations)
Submitted by anonymous - 8 months ago
1

Funny Discord Thing

.NET 7.0 (C#)
Submitted by Deniz-seckin55 - 9 months ago
1

Discord Message JSON

.NET 7.0 (C#)
Regex for a Discord Message as JSON Example JSON for Regex: { "id": "1145344233713188874",...
Submitted by Deniz-seckin55 - 9 months ago (Last modified 9 months ago)
1

Discord Message JSON

.NET 7.0 (C#)
Regex for one Discord Message
Submitted by Deniz-seckin55 - 9 months ago
2

URL Regex

.NET 7.0 (C#)
Matches protocol, domain, port, path, query and anchor as named capturing groups.
Submitted by Jonathan - a year ago (Last modified a year ago)
0

Camel-Case Splitter (preserves Acronyms)

.NET 7.0 (C#)
Splits camel-case string and preserves acronyms
Submitted by Tyler S. - a year ago
123...6

password

1

Regular Expression
.NET 7.0 (C#)

@"
^(?=.*?[A-Z])(?=.*?[a-z])(?=.*?[0-9])(?=.*?[#?!@$%^&*-]).{8,}$
"
gm
Open regex in editor

Description

password validator

Submitted by anonymous - 17 days ago