diff --git a/updates/filename.go b/updates/filename.go
index 1768255d..a4c52a4c 100644
--- a/updates/filename.go
+++ b/updates/filename.go
@@ -6,12 +6,15 @@ import (
 	"strings"
 )
 
-var versionRegex = regexp.MustCompile("_v[0-9]+-[0-9]+-[0-9]+b?")
+var (
+	fileVersionRegex = regexp.MustCompile(`_v[0-9]+-[0-9]+-[0-9]+b?`)
+	rawVersionRegex  = regexp.MustCompile(`^[0-9]+\.[0-9]+\.[0-9]+b?\*?$`)
+)
 
 // GetIdentifierAndVersion splits the given file path into its identifier and version.
 func GetIdentifierAndVersion(versionedPath string) (identifier, version string, ok bool) {
 	// extract version
-	rawVersion := versionRegex.FindString(versionedPath)
+	rawVersion := fileVersionRegex.FindString(versionedPath)
 	if rawVersion == "" {
 		return "", "", false
 	}
diff --git a/updates/filename_test.go b/updates/filename_test.go
new file mode 100644
index 00000000..274e8e6d
--- /dev/null
+++ b/updates/filename_test.go
@@ -0,0 +1,51 @@
+package updates
+
+import (
+	"regexp"
+	"testing"
+)
+
+func testRegexMatch(t *testing.T, testRegex *regexp.Regexp, testString string, shouldMatch bool) {
+	if testRegex.MatchString(testString) != shouldMatch {
+		if shouldMatch {
+			t.Errorf("regex %s should match %s", testRegex, testString)
+		} else {
+			t.Errorf("regex %s should not match %s", testRegex, testString)
+		}
+	}
+}
+
+func testRegexFind(t *testing.T, testRegex *regexp.Regexp, testString string, shouldMatch bool) {
+	if (testRegex.FindString(testString) != "") != shouldMatch {
+		if shouldMatch {
+			t.Errorf("regex %s should find %s", testRegex, testString)
+		} else {
+			t.Errorf("regex %s should not find %s", testRegex, testString)
+		}
+	}
+}
+
+func TestRegexes(t *testing.T) {
+	testRegexMatch(t, rawVersionRegex, "0.1.2", true)
+	testRegexMatch(t, rawVersionRegex, "0.1.2*", true)
+	testRegexMatch(t, rawVersionRegex, "0.1.2b", true)
+	testRegexMatch(t, rawVersionRegex, "0.1.2b*", true)
+	testRegexMatch(t, rawVersionRegex, "12.13.14", true)
+
+	testRegexMatch(t, rawVersionRegex, "v0.1.2", false)
+	testRegexMatch(t, rawVersionRegex, "0.", false)
+	testRegexMatch(t, rawVersionRegex, "0.1", false)
+	testRegexMatch(t, rawVersionRegex, "0.1.", false)
+	testRegexMatch(t, rawVersionRegex, ".1.2", false)
+	testRegexMatch(t, rawVersionRegex, ".1.", false)
+	testRegexMatch(t, rawVersionRegex, "012345", false)
+
+	testRegexFind(t, fileVersionRegex, "/path/to/file_v1-2-3", true)
+	testRegexFind(t, fileVersionRegex, "/path/to/file_v1-2-3.exe", true)
+
+	testRegexFind(t, fileVersionRegex, "/path/to/file-v1-2-3", false)
+	testRegexFind(t, fileVersionRegex, "/path/to/file_v1.2.3", false)
+	testRegexFind(t, fileVersionRegex, "/path/to/file_1-2-3", false)
+	testRegexFind(t, fileVersionRegex, "/path/to/file_v1-2", false)
+	testRegexFind(t, fileVersionRegex, "/path/to/file-v1-2-3", false)
+}