Hi Clare,
if I understand your scenario correctly then the difference that you
describe is because of the Turtle serialization. For any string literal
that contains \ Turtle will write \\
As a result, while you edit queries in a form-based editor you just
enter \ but when you save to a file or edit Source Code you would see \\
There is nothing wrong about that, and EDG doesn't have to do any
automatic conversion.
If I have misunderstood your scenario please send a minimal but complete
example, in TTL format.
Regards,
Holger
On 10/26/2020 4:08 AM, Clare Paul wrote:
When I test a query using SPARQL CONSTRUCT and then copy/paste the
query to make it part of a sh:SPARQLRule it usually works just fine.
However, if I use an escaped left or right square bracket as part of
the REGEX pattern, the CONSTRUCT portion of the SHACL SPARQL rule
needs to be edited.
Example: Use pattern to find something like "[4"
SPARQL:
VALUES ?find_pattern {'\\[[0-9]'}
SPARQL Rule:
VALUES ?find_pattern {'\\\\[[0-9]'}
If I use the SPARQL version of the pattern, EDG flags an error when
the rule is executed:
Lexical error at line39, column 27. Encountered: "[" (91), after "\'\\"
I believe this has something to do with [ needing to be escaped for
REGEX and then the \ in \[ needing to be escaped for Java.
Would it make sense for EDG to automatically convert \\[ to \\\\[ when
encountered in an instance sh:SPARQLRule?
Thanks,
Clare
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