Merge pull request #1476 from vrothberg/full-id-regex

docker/reference: add IsFullIdentifier

docker/reference/regexp-additions.go

@@ -0,0 +1,6 @@
+package reference
+
+// Return true if the specified string fully matches `IdentifierRegexp`.
+func IsFullIdentifier(s string) bool {
+	return anchoredIdentifierRegexp.MatchString(s)
+}

docker/reference/regexp_test.go

@@ -545,6 +545,9 @@ func TestIdentifierRegexp(t *testing.T) {
 
 	for i := range fullCases {
 		checkRegexp(t, anchoredIdentifierRegexp, fullCases[i])
+		if IsFullIdentifier(fullCases[i].input) != fullCases[i].match {
+			t.Errorf("Expected match for %q to be %v", fullCases[i].input, fullCases[i].match)
+		}
 	}
 
 	for i := range shortCases {