diff --git a/pygments_github_lexers/github.py b/pygments_github_lexers/github.py
index d2fa4b2..36a5c94 100644
--- a/pygments_github_lexers/github.py
+++ b/pygments_github_lexers/github.py
@@ -53,7 +53,7 @@ class Dasm16Lexer(RegexLexer):
 
     # Regexes yo
     char = r'[a-zA-Z$._0-9@]'
-    identifier = r'(?:[a-zA-Z$_]' + char + '*|\.' + char + '+)'
+    identifier = r'(?:[a-zA-Z$_]' + char + r'*|\.' + char + '+)'
     number = r'[+-]?(?:0[xX][a-zA-Z0-9]+|\d+)'
     binary_number = r'0b[01_]+'
     instruction = r'(?i)(' + '|'.join(INSTRUCTIONS) + ')'
@@ -379,7 +379,7 @@ class TOMLLexer(RegexLexer):
             (r'#.*?$', Comment.Single),
             (r'"(\\\\|\\"|[^"])*"', String),
             (r'(true|false)$', Keyword.Constant),
-            ('[a-zA-Z_][a-zA-Z0-9_\-]*', Name),
+            (r'[a-zA-Z_][a-zA-Z0-9_\-]*', Name),
 
             # Datetime
             (r'\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}Z', Number.Integer),