Fix parsing - at beginning of negated character class

2021-05-11 14:57:16 -04:00 · 2021-05-11 14:57:16 -04:00 · 9b09625c8a
commit 9b09625c8a
parent 6119d860bc
1 changed files with 1 additions and 1 deletions
--- a/lib/imbecile/regex/parser.rb
+++ b/lib/imbecile/regex/parser.rb
@ -148,7 +148,7 @@ module Imbecile
            break
          elsif c == "^" && index == 0
            au.negate = true
-          elsif c == "-" && (index == 0 || @pattern[0] == "]")
+          elsif c == "-" && (au.alternates.size == 0 || @pattern[0] == "]")
            au.append_alternate(CharacterUnit.new(c))
          elsif c == "\\"
            au.append_alternate(parse_backslash)