From b1127d6d38230875150f17d7fdcff850f7a8ffa4 Mon Sep 17 00:00:00 2001
From: Aaron Taylor <git@ataylor.io>
Date: Tue, 1 Nov 2022 15:15:08 -0400
Subject: [PATCH] fix #1155: Catastrophic backtracking issue in template
 parser.

Related to #1194

This backports the patch from 332215b2b1b3de5a321ba9f3497777fc93662893 to the 0.12 release branch.

This fix can be validated using the following repl commands:

    >>> import bottle
    >>> bottle.template("""<img src="{{usar_webp(''/static/images/branco400.jpg')}}" alt="Sem imagem"/>""")
---
 bottle.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/bottle.py b/bottle.py
index 8dee39d0..c7bc18c9 100644
--- a/bottle.py
+++ b/bottle.py
@@ -3486,7 +3486,7 @@ class StplParser(object):
     # Match the start tokens of code areas in a template
     _re_split = '(?m)^[ \t]*(\\\\?)((%(line_start)s)|(%(block_start)s))(%%?)'
     # Match inline statements (may contain python strings)
-    _re_inl = '(?m)%%(inline_start)s((?:%s|[^\'"\n]*?)+)%%(inline_end)s' % _re_inl
+    _re_inl = '(?m)%%(inline_start)s((?:%s|[^\'"\n])*?)%%(inline_end)s' % _re_inl
     _re_tok = '(?m)' + _re_tok
 
     default_syntax = '<% %> % {{ }}'