fix bad behaving backtracking regex in CommonLispLexer

birkenfeld · birkenfeld · commit 4f06bcf8a5ba · 2026-03-25T22:57:38.000+01:00
credits to @kq5y for the report
diff --git a/pygments/lexers/lisp.py b/pygments/lexers/lisp.py
@@ -441,7 +441,7 @@ def get_tokens_unprocessed(self, text):
             (r'(#s)(\()', bygroups(Literal.Other, Punctuation), 'body'),
 
             # path
-            (r'#p?"(\\.|[^"])*"', Literal.Other),
+            (r'#p?"(\\.|[^"\\])*"', Literal.Other),
 
             # reference
             (r'#\d+=', Operator),
