See: https://github.com/distribution/reference/blob/v0.5.0/regexp.go#L44C2-L44C28.

See: https://github.com/kubernetes/apimachinery/blob/v0.28.1/pkg/util/validation/validation.go#L178.

See: https://github.com/kubernetes/apimachinery/blob/v0.28.1/pkg/util/validation/validation.go#L205.

See: https://github.com/distribution/reference/blob/v0.5.0/regexp.go#L106.

See: https://github.com/distribution/reference/blob/v0.5.0/regexp.go#L110.

See: https://github.com/distribution/reference/blob/v0.5.0/regexp.go#L81.

See: https://github.com/distribution/reference/blob/v0.5.0/regexp.go#L136C2-L136C14.

See: https://github.com/distribution/reference/blob/v0.5.0/regexp.go#L125-L130.

See: https://github.com/distribution/reference/blob/v0.5.0/regexp.go#L68.

See: https://github.com/distribution/reference/blob/v0.5.0/regexp.go#L91.

See: https://github.com/distribution/reference/blob/v0.5.0/regexp.go#L53.

See https://github.com/distribution/reference/blob/v0.5.0/regexp.go#L65.

See: https://github.com/distribution/reference/blob/v0.5.0/regexp.go#L123.