1package names // import "github.com/docker/docker/daemon/names" 2 3import "regexp" 4 5// RestrictedNameChars collects the characters allowed to represent a name, normally used to validate container and volume names. 6const RestrictedNameChars = `[a-zA-Z0-9][a-zA-Z0-9_.-]` 7 8// RestrictedNamePattern is a regular expression to validate names against the collection of restricted characters. 9var RestrictedNamePattern = regexp.MustCompile(`^` + RestrictedNameChars + `+$`) 10