github.com/jfrazelle/docker@v1.1.2-0.20210712172922-bf78e25fe508/daemon/names/names.go (about) 1 package names // import "github.com/docker/docker/daemon/names" 2 3 import "regexp" 4 5 // RestrictedNameChars collects the characters allowed to represent a name, normally used to validate container and volume names. 6 const 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. 9 var RestrictedNamePattern = regexp.MustCompile(`^` + RestrictedNameChars + `+$`)