Regular expression in find and replace or tag inside tag

hi , can any one please tell me what is the regular expression that will do the following in find and replace :
i want to remove the - or -" from the card tag and replace it with the word that before the comma in the same tag.
or if not possible i want to replace it with content of another tag, so for example :

will become like this by using regular expersion in find and replace or by taking the content of base_d
and put it instead of -

so the anki tts can read the plural also.

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