How to write this rule?

111$$_{preGradeName}_$$2222$$_{preGradeName}_$$3333$$_{gradeName}_$$4444$$_{shortLink}_$$5555

$$_{ }_$$

Gods, how to write this rule

Javascript html5 html css python

Jul.01,2022

.match (/\ $\ $_ {[0-9a-z] *} _\ $\ $/ gi)

    /\ $\ $_ {(. *?) _\ $\ $/ g



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