Generates a SPARQL substr() call extracting a substring.
Returns the substring of source starting at the 1-based starting position; with length, limits the result to
that many characters, otherwise runs to the end.
Parameters
source: string
The expression evaluating to the source string
starting: string
The expression evaluating to the 1-based start position
Optionallength: string
The expression evaluating to the maximum length, or omitted to run to the end
Generates a SPARQL
substr()call extracting a substring.Returns the substring of
sourcestarting at the 1-basedstartingposition; withlength, limits the result to that many characters, otherwise runs to the end.