• the following ShEx features are not implemented yet:
    • invalid shape expression references in negations are not checked
    • imports
    • external shapes
    • annotations
    • semantic actions
  • only the datatypes supported by RDF.ex are supported in datatype and numeric facet constraints (more supported datatypes are the next planned feature for RDF.ex)
  • greedy
  • non-ascii characters in regular expressions are not fully supported yet