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.NET Regular Expression Designer vs W3C Markup Validation Service

A side-by-side look at .NET Regular Expression Designer and W3C Markup Validation Service. For an in-depth review of either product, follow the links below.

.NET Regular Expression Designer

.NET Regular Expression Designer

Development

.NET Regular Expression Designer is a free open source tool by Microsoft that allows developers to visually create, test, and debug .NET regular expressions. It has features like syntax highlighting, testing against sample text, and explanation of regex components.

regexvisual-editormicrosoftnet
W3C Markup Validation Service

W3C Markup Validation Service

Web Browsers

The W3C Markup Validation Service is a free tool that checks HTML and XHTML documents for conformance to W3C standards. It can help identify potential issues in web pages and ensure they use valid markup.

htmlxhtmlvalidatorw3cstandards