Rely on the regex engine's `\u1234` escape support

1 files changed, 7 insertions, 7 deletions

diff --git a/pygments/lexers/ruby.py b/pygments/lexers/ruby.py
index b88a86dd..d9f65005 100644
--- a/pygments/lexers/ruby.py
+++ b/pygments/lexers/ruby.py
@@ -328,13 +328,13 @@ class RubyLexer(ExtendedRegexLexer):
         ],
         'funcname': [
             (r'\(', Punctuation, 'defexpr'),
-            ('(?:([a-zA-Z_]\\w*)(\\.))?'  # optional scope name, like "self."
-             '('
-                '[a-zA-Z\u0080-\uffff][a-zA-Z0-9_\u0080-\uffff]*[!?=]?'  # method name
-                '|!=|!~|=~|\\*\\*?|[-+!~]@?|[/%&|^]|<=>|<[<=]?|>[>=]?|===?'  # or operator override
-                '|\\[\\]=?'  # or element reference/assignment override
-                '|`'  # or the undocumented backtick override
-             ')',
+            (r'(?:([a-zA-Z_]\w*)(\.))?'  # optional scope name, like "self."
+             r'('
+                r'[a-zA-Z\u0080-\uffff][a-zA-Z0-9_\u0080-\uffff]*[!?=]?'  # method name
+                r'|!=|!~|=~|\*\*?|[-+!~]@?|[/%&|^]|<=>|<[<=]?|>[>=]?|===?'  # or operator override
+                r'|\[\]=?'  # or element reference/assignment override
+                r'|`'  # or the undocumented backtick override
+             r')',
              bygroups(Name.Class, Operator, Name.Function), '#pop'),
             default('#pop')
         ],