SPARQL query to get features that have a geometry which is not a POINT

gistfile1.txt

PREFIX lgd:<http://linkedgeodata.org/> 
PREFIX lgdo:<http://linkedgeodata.org/ontology/>
PREFIX geom:<http://geovocab.org/geometry#>
PREFIX ogc:<http://www.opengis.net/ont/geosparql#>

SELECT * {
  ?s rdf:type lgdo:School .
  ?s rdfs:label ?label .
  ?s geom:geometry ?geo .
  ?geo ogc:asWKT ?v .
  FILTER REGEX(?v,"LINESTRING") .
}