I am looking for the syntax to capture XML tags marked with /DescriptorName MajorTopicYN="Y"/ , but the combination of the internal space (between "Name" and "Major" and the embedded quote marks are defeating me. I can get all the "DescriptorName" tags, but these include both MajroTopicYN = "Y" and "N" variants. Any suggestions?
Thanks in advance. Prototype text from PUBMED <MeshHeadingList> <MeshHeading> <DescriptorName MajorTopicYN="Y">Antibodies, Monoclonal</DescriptorName> </MeshHeading> <MeshHeading> <DescriptorName MajorTopicYN="N">Blood Platelets</DescriptorName> <QualifierName MajorTopicYN="N">immunology</QualifierName> <QualifierName MajorTopicYN="Y">physiology</QualifierName> <QualifierName MajorTopicYN="N">ultrastructure</QualifierName> </MeshHeading> </MeshHeadingList> [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.