lib/regextest/front/back-refer.rb in regextest-0.1.5 vs lib/regextest/front/back-refer.rb in regextest-0.1.6

@@ -32,11 +32,11 @@
           @paren_obj = @options[:parens].get_paren(md[1].to_i)
         else
           raise "Error: Internal error, invalid back reference"
         end
       when :LEX_NAMED_REFER   # a pattern like \k<foo>, \k<1>, \k<-1>
-        if(md = value.match(/^\\k[<']((\-\d+)|(\d+)|(\w+))(?:([\+\-]\d+))?[>']$/))
+        if(md = value.match(/(?u:^\\k[<']((\-\d+)|(\d+)|(\w+))(?:([\+\-]\d+))?[>']$)/))
           if md[2]       # \k<-1>
             @paren_obj = @options[:parens].get_paren(md[1], @offset)
           elsif md[3]    # \k<1> 
             @paren_obj = @options[:parens].get_paren(md[1].to_i)
           elsif md[4]    # \k<foo> 
@@ -49,10 +49,10 @@
           end
         else
           raise "Error: Internal error, invalid named reference"
         end
       when :LEX_NAMED_GENERATE # a pattern like \g<foo>
-        if(md = value.match(/^\\g[<'](([\-\+]\d+)|(\d+)|(\w+))[>']$/))
+        if(md = value.match(/(?u:^\\g[<'](([\-\+]\d+)|(\d+)|(\w+))[>']$)/))
           if md[2]       # \k<-1>
             @paren_obj = @options[:parens].get_paren(md[1], @offset)
           elsif md[3]    # \k<1> 
             @paren_obj = @options[:parens].get_paren(md[1].to_i)
           elsif md[4]    # \k<foo>