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Expressions lets you play with regular expressions (regex). Just type your pattern and some text to test it. All the changes are updated while you're typing text or pattern. App highlights the syntax, so the pattern is easy-to-read and modify. If you use subexpressions (groups), you can highlight them by pressing Cmd+Shift+] (or [ - for decreasing the highlighted group number). If you don't remember the regex syntax, just press Cmd+r or click button in the top-right. You will get the reference sheet, so you don't have to remember everything.

The user interface is very minimalistic and non-distractive. By default

What's New

Version 1.3.1:
  • Expression library - Now the app remembers multiple expressions
  • Added new, advanced reference sheet
  • App window can be downsized
  • Protected app from freeze when the expression cannot be compiled


  • OS X 10.11 or later

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Expressions User Discussion

5 1


Current Version (1.x)


Downloads 576
Version Downloads 384
License Commercial
Date 26 Jul 2017
Platform Intel 64 / OS X
Price $7.00
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