In IntelliJ, the RegEx plugin tester is available as an intent in the source code. The intent should automatically appear when the cursor is inside the regular expression pattern line. If it is not, try Alt + Enter when the cursor is inside the regular expression.
There are two main reasons why an intention does not appear:
- RegExp intent check is disabled. Check with
Ctrl + Shift + A and enter the text. Check RegExp . - IntelliLang plugin is disabled. Check with Ctrl + Shift + A and type
IntelliLang . (In 2018.2, regex support is included in this plugin.)
Hope this helps you / others.
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