DCG : zero-or-more, zero-or-one , one-or-more occurrences?

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清歌不尽
清歌不尽 2020-12-29 05:03

In DCG how do you implement : zero-or-more, zero-or-one , one-or-more occurrences ?

I\'m talking about the following in pseudo code :

  sentence -->         


        
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