From 4155fb1c7a2030deb8e0c84a5962f0bfc404d12b Mon Sep 17 00:00:00 2001
From: Lucas Werkmeister <mail@lucaswerkmeister.de>
Date: Sun, 21 Jul 2019 23:28:27 +0200
Subject: Fix raw strings for regex

---
 pygments/lexers/rdf.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pygments/lexers/rdf.py b/pygments/lexers/rdf.py
index f172708d..b10cba35 100644
--- a/pygments/lexers/rdf.py
+++ b/pygments/lexers/rdf.py
@@ -366,12 +366,12 @@ class ShExCLexer(RegexLexer):
             # blank nodes ::
             ('(' + BLANK_NODE_LABEL + ')', Name.Label),
             # prefixed names ::
-            (r'(' + PN_PREFIX + ')?(\:)(' + PN_LOCAL + ')?',
+            (r'(' + PN_PREFIX + r')?(\:)(' + PN_LOCAL + ')?',
              bygroups(Name.Namespace, Punctuation, Name.Tag)),
             # boolean literals ::
             (r'(true|false)', Keyword.Constant),
             # double literals ::
-            (r'[+\-]?(\d+\.\d*' + EXPONENT + '|\.?\d+' + EXPONENT + ')', Number.Float),
+            (r'[+\-]?(\d+\.\d*' + EXPONENT + r'|\.?\d+' + EXPONENT + ')', Number.Float),
             # decimal literals ::
             (r'[+\-]?(\d+\.\d*|\.\d+)', Number.Float),
             # integer literals ::
-- 
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