'^(\w|\.|\_|\-)+[@](\w|\_|\-|\.)+[.]\w{2,3}$'

• JavaVerbalExpressions

  3 2,605 5.5 Java

  Java regular expressions made easy.

  

There are libraries that allow you to define a regex using fluent builder APIs. Just to show you an example (not necessarily endorsing this specific library or Java as a language), this is how VerbalExpressions does it:

• RE2

  49 8,628 8.9 C++

  RE2 is a fast, safe, thread-friendly alternative to backtracking regular expression engines like those used in PCRE, Perl, and Python. It is a C++ library.

  

well, you can name capturing groups, which is like 90% of detailing code.

• SurveyJS

  surveyjs.io featured

  Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.

  

• coffeescript

  54 16,437 3.0 CoffeeScript

  Unfancy JavaScript

depends on the language. In CoffeeScript you can. https://coffeescript.org/#regexes

• referencesource

  88 3,112 0.0 C#

  Source from the Microsoft .NET Reference Source that represent a subset of the .NET Framework

  

Here's the email validation attribute source code provided by Microsoft for dot net if anyone is interested.

• RegExr

  579 9,548 0.0 JavaScript

  RegExr is a HTML/JS based tool for creating, testing, and learning about Regular Expressions.

https://regexr.com/ is also a great resource

• InfluxDB

  www.influxdata.com featured

  Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

  

Suggest a related project