check_doi: Check for valid DOI

Description Usage Arguments Value Examples

Description

This helper function checks whether a DOI is valid. The regular expression is based on the one provided by CrossRef as providing the highest coverage (https://bit.ly/doi-regex).

Usage

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check_doi(doi)

Arguments

doi

Digital Object Identifier (string)

Value

Boolean

Examples

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  check_doi(doi = '10.1002/job.1787')
  check_doi(doi = '10.1111/j.1365-2044.2012.07128.x')

chartgerink/retractcheck documentation built on Nov. 15, 2020, 4:34 p.m.