+ \r
+ // RefSeq accession numbers can be distinguished from GenBank accessions \r
+ // by their distinct prefix format of 2 characters followed by an\r
+ // underscore character ('_'). For example, a RefSeq protein accession is NP_015325. \r
+ private final static Pattern REFSEQ_PATTERN = Pattern\r
+ .compile( "(?:\\A|.*[^a-zA-Z0-9])([A-Z]{2}_\\d{6,})(?:[^a-zA-Z0-9]|\\Z)" );\r