Wolfram Function Repository
Instant-use add-on functions for the Wolfram Language
Function Repository Resource:
Get the elements that appear before and after a given value in a list
ResourceFunction["PreviousNextElement"][element,{e1,e2,…}] returns the elements that appear before and after element in {e1,e2,…}. |
Find previous/next elements in a list of integers:
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Find previous/next elements in a list of strings:
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Elements do not have to be numbers or strings:
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If the element doesn't exist, Missing["NotFound"] is returned:
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By default, searches will not wrap around the list:
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With the option setting WrapAround→True, searches will wrap around the list:
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If elements within the list are not unique, the first match is returned:
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Matches are found after evaluation:
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Which two U.S. states is Illinois between alphabetically:
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Between which two planets is the Earth when listed in order of increasing radius:
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Find phrases within text:
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