span class='embexpr_beg'>#{</span><span class='id identifier rubyid_tag_name'>tag_name</span><span class='period'>.</span><span class='id identifier rubyid_gsub'>gsub</span><span class='lparen'>(</span><span class='tstring'><span class='regexp_beg'>/</span><span class='tstring_content'>^&lt;</span><span class='regexp_end'>/</span></span><span class='comma'>,</span><span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>&lt;/</span><span class='tstring_end'>&#39;</span></spa