diff --git a/main.go b/main.go
index 059d650..b54ca8a 100644
--- a/main.go
+++ b/main.go
@@ -57,6 +57,10 @@ func main() {
 	// Generate the Lua script
 	luaScript := buildLuaScript(luaExpr)
 
+	if strings.Contains(regexPattern, "!num") {
+		regexPattern = strings.ReplaceAll(regexPattern, "!num", "(\\d*\\.?\\d+)")
+	}
+
 	// Make sure the regex can match across multiple lines by adding (?s) flag
 	if !strings.HasPrefix(regexPattern, "(?s)") {
 		regexPattern = "(?s)" + regexPattern