DOI (P662)
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serial code used to uniquely identify digital objects like academic papers
- Digital Object Identifier
Language | Label | Description | Also known as |
---|---|---|---|
English |
DOI
|
serial code used to uniquely identify digital objects like academic papers
|
|
Data type
External identifier
Statements
https://dx.doi.org/$1
https://doi.org/$1
text/html
info:doi/$1
0 references
http://dx.doi.org/$1
https://doi.org/$1
application/rdf+xml
text/turtle
10\.\d{4,9}/[A-Z0-9_\W]+
Syntax described at http://www.doi.org/doi_handbook/2_Numbering.html#2.2 does not specify case. Uppercase recommended. (English)
very long final portion should be handled as exceptions in associated <code>Constraint:Format</code> (English)
0 references
/^10.\d{4,9}/[-._;()/:A-Z0-9]+$/i
The regular expression syntax described for "modern Crossref DOIs" by Andrew Gilmartin, a member of the U.S. Crossref team. Matches 74.4 million of the 74.9 million DOIs in Crossref. (English)
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/^10.1002\/[^\s]+$/i
Syntax described by Andrew Gilmartin (member of the U.S. Crossref team) for early DOIs (catches approximately 300,000 more DOIs than the "modern Crossref DOI" regular expression). Escape character added to avoid malformed input error. (English)
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no value
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10\.[0-9]{4,}(?:\.[0-9]+)*\/(?:(?![\"&\'])\S)+
0 references
0 references
0 references
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(?i)((?!\b(%)).)*
test, attempts to find URL encoded values (%20 etc). (English)
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http://doai.io/$1
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https://hdl.handle.net/$1
doi
0 references
55,000,000
30 June 2012
84,000,000
18 June 2013
97,000,000
20 July 2014
110,000,000
10 May 2015
130,000,000
7 July 2016
143,000,000
25 May 2017
148,000,000
12 June 2018
190,000,000
29 July 2019