[DATALAB-820] Adjust validation for endpoint url

• Type: Task
• Status: Closed
• Priority: Major
• Resolution: Done
• Fix Version/s: v.2.2
• Component/s: Cloud endpoint
• Labels: AWS AZURE Debian Front-end GCP RedHat
• Epic Link: Implement cloud endpoint Component
• Sprint: Apache DLab release 2.2
• Assignee: Andriana Kovalyshyn
• Reporter: Vira Vitanska
• Created: 25/Jun/19 13:18
• Updated: 31/Jul/19 09:34
• Resolved: 31/Jul/19 09:34

Description

Endpoint url text box should not eccept:

• not English letters
• space

Error message should appear if user puts not allowed symbols:
'Endpoint url can only contain English letters, numbers, characters and can not contain space'