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RegexPilot is a Mac-native visual regex builder with AI. Drag blocks, see railroad diagrams, and test against authentic engines like Java, Python, and .NET offline.

Code Effects is the fastest and most intuitive .NET business rules engine trusted by government entities and Fortune 500 corporations all over the world

Website, pricing, platforms and company facts side by side.
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| Website | regexpilot.com | codeeffects.com |
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| Company | Startup from Belgium · 1 - 9 employees · 2026 | 2009 |
| Listed in |
In their own words, as submitted to SaaSHub.


Visual AST builder — drag-and-drop, railroad diagram, inspector panel Breakdown tree — plain-English explanation, bidirectional hover with the rail Authentic engines as native sidecars: Java (GraalVM AOT), Ruby (CRuby 3.4), C# (.NET 9 NativeAOT), PHP (static-php-cli), Python...
Code Effects Software is the developer of state-of-the-art business rules engine that combines an incredible performance of rule evaluation with revolutionary web interface, allowing the end-users to author and manage their corporate business rules with no knowledge of programming languages or IT...
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As answered by people managing RegexPilot and Code Effects.
RegexPilot's answer
Fully integrated stand-alone, UI friendly macos app, no info leaves your computer, soon fully integrated in visual studio for one workflow including AI generation, improvement or explanation of regular expressions
RegexPilot's answer
Developers, Database admin, students anyone that uses regular expressions or wants to learn it
RegexPilot's answer
The combination of AI generation, drag and drop visual builder and multiple language support
RegexPilot's answer
Rust, Tauri and Xcode
RegexPilot's answer
I found myself drawing the regex every time — on paper, on whiteboards, in the corner of a notebook. ^, a bubble for "any word character", an arrow into a group, with the English sentence scribbled underneath so I wouldn't lose what I meant.
RegexPilot is that drawing, made live. The bubbles you draw become the pattern, the arrows become the rail, and the natural-language caption you mumble to yourself sits right there in the Breakdown panel.
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When comparing RegexPilot and Code Effects, you can also consider the following products.

RegExr.com is an online tool to learn, build, and test Regular Expressions.
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RegexBuddy is your perfect companion for working with regular expressions.
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RegEx Generator is a simple-to-use application that comes with the brilliance of intuitive regex and is also helping you out to test the regex.
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Use RegexMagic to generate complete regular expressions to your specifications by using RegexMagic's flexible patterns, instead of the cryptic regex syntax.
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RegexOne offers learning regular expressions with simple, interactive examples.
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