Class: Identifiers::PubmedId

Inherits:
Object
  • Object
show all
Defined in:
lib/identifiers/pubmed_id.rb

Constant Summary collapse

ZERO_PADDED_NUMBER = 
%r{(?<=^|[[:space:]])0*(?!0)(\d+)(?=$|[[:space:]])}
PUBMED_URL = 
%r{(?:https?://(?:www\.)?ncbi\.nlm\.nih\.gov/(?:m/)?pubmed/|pmid:|info:pmid/)0*(\d+)}i

Class Method Summary collapse

Class Method Details

.extract(str) ⇒ Object 



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# File 'lib/identifiers/pubmed_id.rb', line 6

def self.extract(str)
  str = str.to_s
  str.scan(ZERO_PADDED_NUMBER).flatten | str.scan(PUBMED_URL).flatten
end