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Use case

Prevent issues from being created if their description contains less than 100 characters regardless of special characters and spaces.

Add the Logical validator to the Create workflow transition.

Enter the following expression:

length(replaceAll(%{issue.description}, "[^a-zA-Z_0-9]", "")) >= 100

If you need to include the spaces in the total number of characters, you can enter the following expression instead:

length(replaceAll(%{issue.description}, "[^a-zA-Z_0-9\\s]", "")) >= 100

Enter an error message like the following one.

The issue description must include at least 100 characters.

JWT feature
Workflow function	Logical validator
Parser functions	replaceAll() length()
Label	used to mark a use case as staff pick