fix: expansion item is optional

tree-sitter · Aug 28, 2023 · d35dd56 · d35dd56
1 parent 3c1d4a1
commit d35dd56
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/grammar.js b/grammar.js
@@ -813,7 +813,7 @@ module.exports = grammar({
 
     _expansion_regex: $ => seq(
       field('operator', choice('#', alias($._immediate_double_hash, '##'), '%', '%%')),
-      choice($.regex, alias(')', $.regex), $.string, $.raw_string, alias(/\s+/, $.regex)),
+      optional(choice($.regex, alias(')', $.regex), $.string, $.raw_string, alias(/\s+/, $.regex))),
     ),
 
     _expansion_regex_replacement: $ => seq(