Change color for part of text (annotation tool - sticky note)

Hello, it is possible change color for part of text in "sticky note" annotation tool (for all of comments)?
i have 6-8 digit in comment and for better recognizing i would like to change color for this digits. Regex and some "for loop" command i gues, but acrobat DOM and javascript it is not my Ligue 😕😕
can anyone helpme with this? Thank you very much.

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