Function substr

substr(source: string, starting: string, length?: string): string
Generates a SPARQL substr() call.
Parameters
- source: string
  The string expression
- starting: string
  The 1-based start position expression
- Optionallength: string
  The length expression, or omitted
Returns string
The substr() call

See
SPARQL 1.1 SUBSTR
- Defined in builder.ts:1762