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Expressions 1.3

An app to play with regular expressions.
Easily and nicely.
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Expressions requires macOS 10.11 or newer
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Features

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Minimalistic UI
Forget about buttons. Just type your pattern and test expression. See the results immediately.
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Syntax highlighting
Your pattern looks not only nice, but it's easy to read.
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Reference sheet
Always forgetting regular expression syntax? Just press cmd+r and check out the reference sheet.
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Live preview
Whatever you write it works instantly. Type your pattern and see the results. Modify your test expression and check if it still works.
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Expression Library
Application lets you to save your expressions, so you can always get back to them.
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Group highlighting
Expressions highlight not only text group but it highlights pattern group as well.
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Easy switching between groups
It's good to see subexpressions. Just press cmd+shift+} or cmd+shift+{.
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Beautiful full screen view
Enter full screen mode and enjoy working with regular expressions. No distractions. Just you and your patterns.
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Multiline patterns and comments
Sometimes the pattern is too complex. Just check "Allow whitespaces and comments" option and split your pattern into smaller parts. Add some comments if you like.
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Dark and light mode
It's great to have dark interface. But sometimes you just want to have a fresh look. Change your interface to Light. It still looks amazing.

Reviews

(...) It's a sumptuous, minimalistic, don't-make-me-think app I use to evaluate regular expressions (regex).(...) Expressions the most Mac-like of any of the regex apps I've used. In fact, after I close Expressions and go back to my Mac's desktop, my desktop feels a little shabby.(...)

Expressions is a definitely great tool for regex. It’s so simple, elegant and gorgeous that I don’t want to use any other else.

Expressions by @apptorium is one of my favorite apps. It replaced my need to go on the web and search for online regex testers. Downloaded it from @setapp