Why I can't create image stream with underscore in name?

Solution Verified - Updated -

Issue

  • When create a new image stream in OpenShift Registry Console,I am unable to use underscores in the name.

  • We're attempting to create new image stream with name "my_imagestream" or "my_sample_is",but these are failing. If created using "-" instead of "_", this succeeds.

Environment

  • OpenShift Container Platform 3.6

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