Interrapt G26

Description: According to specification, the field Occupation should accept only the special characters, only "-" and "." , but Mentor can be created using other special characters.
Steps to reproduce:
1. Navigate to https://qainterrapt.brainster.xyz/mentors/create
2. Fill in all required fields
3. Fill in the Occupation field with special character, other than the one in the specification
4. Click create and observe the following action
Expected result: When creating new Mentor using other special characters in Occupation field different then the one in the specification, "Occupation field is required" message in red letters should appear
Actual result : When the field Occupation is filled using "_" character and clicking Create, along with all other required fields, "New Mentor is successfully crated" message is shown