From 30391672adadf6613a35903ed2cc1f2edf70948a Mon Sep 17 00:00:00 2001
From: Twan van Laarhoven <twanvl@gmail.com>
Date: Thu, 30 Apr 2020 14:25:18 +0200
Subject: [PATCH] Exception instead of warning

---
 src/script/functions/regex.cpp | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/script/functions/regex.cpp b/src/script/functions/regex.cpp
index d4a04350..457a9084 100644
--- a/src/script/functions/regex.cpp
+++ b/src/script/functions/regex.cpp
@@ -165,9 +165,7 @@ SCRIPT_FUNCTION_WITH_SIMPLIFY(filter_text) {
     ret.append(pos.first, pos.second);  // the match
     if (pos.second == start) {
       // regex matched the empty string, would cause an infinite loop
-      queue_message(MESSAGE_WARNING, "Regular expression matches empty string in filter_text");
-      if (start == input.end()) break;
-      ++start;
+      throw ScriptError("Regular expression matches empty string");
     } else {
       start = pos.second;
     }