Overly restrictive name constraints

[nus-se-script]

Steps to reproduce: add contact n/Deepan S/O Chandra p/98765432 e/johnd@example.com r/Software

Expected: candidate added

Result: Error saying "Names should only contain alphanumeric characters and spaces, and it should not be blank"

Justification: Names with S/O, D/O, -, or ’ are valid names, however they are not allowed by the your programme. E.g. John-Henry Rajesh Kumar S/O Mahesh Sharma Priya Sharma D/O Mahesh Sharma O'Neil

Screenshot:

---

_{[original: nus-cs2103-AY2425S1/pe-interim#400] [original labels: type.FeatureFlaw severity.Low]}

[Green-Tea-123]

Team's Response

This is acknowledged and accepted.

Duplicate status (if any):

--