Description
These functions should ensure the Z669*K1 String passes a regex (e.g. /L[1-9]\d*/ for Z6695/Wikidata lexeme reference).
- Validator function for Z6691
- Validator function for Z6692
- Validator function for Z6694
- Validator function for Z6695
- Validator function for Z6696
Desired behavior/Acceptance criteria (returned value, expected error, performance expectations, etc.)
- Each validator function returns true if and only if the Z669*K1 String matches the appropriate regex.
Completion checklist
- Before closing this task, review one by one the checklist available here: https://www.mediawiki.org/wiki/Abstract_Wikipedia_team/Definition_of_Done#Back-end_Task/Bug_completion_checklist