What RegExp should be?

Please help
Plz tell me which expression should be the case:

Allowed symbols are
digits letters space hyphen underscore and "/"

In advance very grateful
June 10th 19 at 14:36
2 answers
June 10th 19 at 14:38
[\w\s\-/]+ if you must be at least 1 character
[\w\s\-/]* if no
June 10th 19 at 14:40

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