diff --git a/restream/replace/replace.go b/restream/replace/replace.go
index e9b45adc..e57cb855 100644
--- a/restream/replace/replace.go
+++ b/restream/replace/replace.go
@@ -51,7 +51,7 @@ type replacer struct {
 func New() Replacer {
 	r := &replacer{
 		templates:  make(map[string]template),
-		re:         regexp.MustCompile(`{([a-z:]+)(?:\^(.))?(?:,(.*?))?}`),
+		re:         regexp.MustCompile(`{([a-z]+(?::[0-9A-Za-z]+)?)(?:\^(.))?(?:,(.*?))?}`),
 		templateRe: regexp.MustCompile(`{([a-z:]+)}`),
 	}
 
diff --git a/restream/replace/replace_test.go b/restream/replace/replace_test.go
index 1d9ccfe0..5861c5e9 100644
--- a/restream/replace/replace_test.go
+++ b/restream/replace/replace_test.go
@@ -138,7 +138,8 @@ func TestReplaceGlob(t *testing.T) {
 	r := New()
 	r.RegisterTemplate("foo:bar", "Hello foobar", nil)
 	r.RegisterTemplate("foo:baz", "Hello foobaz", nil)
+	r.RegisterTemplate("foo:123", "Hello 456", nil)
 
-	replaced := r.Replace("{foo:baz}, {foo:bar}", "foo:*", "", nil, nil, "")
-	require.Equal(t, "Hello foobaz, Hello foobar", replaced)
+	replaced := r.Replace("{foo:baz}, {foo:bar}, {foo:123}", "foo:*", "", nil, nil, "")
+	require.Equal(t, "Hello foobaz, Hello foobar, Hello 456", replaced)
 }