lib/kramdown/parser/kramdown/autolink.rb in kramdown-2.1.0 vs lib/kramdown/parser/kramdown/autolink.rb in kramdown-2.2.0

@@ -9,11 +9,11 @@
 
 module Kramdown
   module Parser
     class Kramdown
 
-      ACHARS = '[[:alnum:]]_'
-      AUTOLINK_START_STR = "<((mailto|https?|ftps?):.+?|[-.#{ACHARS}]+@[-#{ACHARS}]+(?:\.[-#{ACHARS}]+)*\.[a-z]+)>"
+      ACHARS = '[[:alnum:]]-_.'
+      AUTOLINK_START_STR = "<((mailto|https?|ftps?):.+?|[#{ACHARS}]+?@[#{ACHARS}]+?)>"
       AUTOLINK_START = /#{AUTOLINK_START_STR}/u
 
       # Parse the autolink at the current location.
       def parse_autolink
         start_line_number = @src.current_line_number