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Docs improvement: what do the colons mean? ":" #640

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vladinator1000 opened this issue Jul 26, 2023 · 2 comments
Open

Docs improvement: what do the colons mean? ":" #640

vladinator1000 opened this issue Jul 26, 2023 · 2 comments

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@vladinator1000
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I was reading the vocabulary docs and saw this example

number -> [0-9]:+

What do the colons and plus mean?
@DenverCoder1
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:+ is Kleene plus from Regular expressions meaning "appearing one or more times"

:* is Kleene star meaning "appearing zero or more times"

@TekuConcept
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:? - "appearing zero or one times"

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@vladinator1000 @TekuConcept @DenverCoder1