fix: single char non-matching keyword

closes #141

Author: Saghen

lua/blink/cmp/fuzzy/init.lua

@@ -83,6 +83,11 @@ function fuzzy.get_query()
     cmp_config.keyword_regex,
     cmp_config.exclude_from_prefix_regex
   )
+  -- Since sub(1, 1) returns a single char string, we need to check if that single char matches
+  -- and otherwise return an empty string
+  if range[1] == range[2] and line:sub(range[1] + 1, range[1] + 1):match(cmp_config.keyword_regex) == nil then
+    return ''
+  end
   return string.sub(line, range[1] + 1, range[2] + 1)
 end