Asterisk before the string in a regex

Question

In nltk. collocations I use this finder.apply_ngram_filter(lambda *w: w not in list). But I do not know what does mean the asterisk here. can someone explain me what the meaning of *w here? Because I know that the asterisk comes after the string and not before it.

`*` has nothing to do with regexes here. – Maroun Nov 30 '14 at 15:50 — Maroun, Nov 30 '14 at 15:50
That is functional programinng. – WannaBeCoder Nov 30 '14 at 15:52 — WannaBeCoder, Nov 30 '14 at 15:52

score 0 · Accepted Answer · edited May 23 '17 at 12:27

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It is argument unpacking :*args and **kwargs?. This means it is taking all the arguments you might pass to a function.

edited May 23 '17 at 12:27

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answered Nov 30 '14 at 15:53

QuantumLicht

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Asterisk before the string in a regex

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