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-rw-r--r--pygments/lexers/functional.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/pygments/lexers/functional.py b/pygments/lexers/functional.py
index 1f9d816e..497f024d 100644
--- a/pygments/lexers/functional.py
+++ b/pygments/lexers/functional.py
@@ -2679,7 +2679,7 @@ class ElixirLexer(RegexLexer):
(r':"', String.Symbol, 'interpoling_symbol'),
(r'\b(nil|true|false)\b(?![?!])|\b[A-Z]\w*\b', Name.Constant),
(r'\b(__(FILE|LINE|MODULE|MAIN|FUNCTION)__)\b(?![?!])', Name.Builtin.Pseudo),
- (r'[a-zA-Z_!][\w_]*[!\?]?', Name),
+ (r'[a-zA-Z_!]\w*[!\?]?', Name),
(r'[(){};,/\|:\\\[\]]', Punctuation),
(r'@[a-zA-Z_]\w*|&\d', Name.Variable),
(r'\b(0[xX][0-9A-Fa-f]+|\d(_?\d)*(\.(?![^\d\s])'