Update DOI reg-ex to Crossref's recommendation

See https://www.crossref.org/blog/dois-and-matching-regular-expressions/
petermr · Nov 19, 2019 · fbee50d · fbee50d
1 parent b2a04e4
commit fbee50d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/main/java/org/contentmine/cproject/metadata/CMDOI.java b/src/main/java/org/contentmine/cproject/metadata/CMDOI.java
@@ -29,7 +29,7 @@ public class CMDOI extends AbstractCM {
 https://doi.org/10.1525/irqr.2016.9.1.29
 	 */
 
-	static Pattern PATTERN = Pattern.compile("https?://(dx\\.)?doi\\.org/(10\\.\\d{3,8})/(.*)");
+	static Pattern PATTERN = Pattern.compile("https?://(dx\\.)?doi\\.org/10.\d{4,9}/[-._;()/:A-Za-z0-9]+");
 	public static CMDOI DUMMY = new CMDOI(null, null);
 
 	public CMDOI(String prefix, String suffix) {