RegEx Exercise Template

Description

You can review regular expression patterns.
Enter the search pattern at the top of the combo box. (You can also select a list and type it in.)
Click on the "Search" button to start your search.
If the "Incremental" option is specified, the search will begin automatically after 3 or more characters. (The search is not started at the initial stage of pattern input.)
The "Add Pattern" button adds the text at the top of the combo box to the list.
The "Del Pattern" button deletes one pattern with the same content as the selected pattern in the list.
The added and removed lists and options are saved with the document.
Scrolling through the screen with invisible areas highlighted by the search will make it difficult to type.
Sample text for practice will be erased from this description and entered in this area. It is easy to check the amount of text that fits within the screen.
This template uses Basic macros. Therefore, the search will not start unless the macro usage is enabled.

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Ver. 2024.04.24: Change the color of the control that is difficult to recognize on High-Contrast Mode and the Dark Theme.

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LibreOffice’s List of Regular Expressions : https://help.libreoffice.org/latest/en-US/text/shared/01/02100001.html
ICU’s Regular Expressions : https://unicode-org.github.io/icu/userguide/strings/regexp.html#regular-expression-metacharacters