diff --git a/internal/glance/widget-custom-api.go b/internal/glance/widget-custom-api.go
index c9db2df..e092fc3 100644
--- a/internal/glance/widget-custom-api.go
+++ b/internal/glance/widget-custom-api.go
@@ -468,8 +468,16 @@ var customAPITemplateFuncs = func() template.FuncMap {
 			return strings.TrimSuffix(s, suffix)
 		},
 		"trimSpace": strings.TrimSpace,
-		"replaceAll": func(old, new, s string) string {
-			return strings.ReplaceAll(s, old, new)
+		"replaceAll": func(oldOrPattern, new, s string) string {
+			if s == "" {
+				return ""
+			}
+
+			regex := getCachedRegexp(oldOrPattern)
+			if regex == nil {
+				return strings.ReplaceAll(s, oldOrPattern, new)
+			}
+			return regex.ReplaceAllString(s, new)
 		},
 		"findMatch": func(pattern, s string) string {
 			if s == "" {