(function($) {
    $.linkify = (function(){
      var
        SCHEME = "[a-z\\d.-]+://",
        IPV4 = "(?:(?:[0-9]|[1-9]\\d|1\\d{2}|2[0-4]\\d|25[0-5])\\.){3}(?:[0-9]|[1-9]\\d|1\\d{2}|2[0-4]\\d|25[0-5])",
        HOSTNAME = "(?:(?:[^\\s!@#$%^&*()_=+[\\]{}\\\\|;:'\",.<>/?]+)\\.)+",
        TLD = "(?:ac|ad|aero|ae|af|ag|ai|al|am|an|ao|aq|arpa|ar|asia|as|at|au|aw|ax|az|ba|bb|bd|be|bf|bg|bh|biz|bi|bj|bm|bn|bo|br|bs|bt|bv|bw|by|bz|cat|ca|cc|cd|cf|cg|ch|ci|ck|cl|cm|cn|coop|com|co|cr|cu|cv|cx|cy|cz|de|dj|dk|dm|do|dz|ec|edu|ee|eg|er|es|et|eu|fi|fj|fk|fm|fo|fr|ga|gb|gd|ge|gf|gg|gh|gi|gl|gm|gn|gov|gp|gq|gr|gs|gt|gu|gw|gy|hk|hm|hn|hr|ht|hu|id|ie|il|im|info|int|in|io|iq|ir|is|it|je|jm|jobs|jo|jp|ke|kg|kh|ki|km|kn|kp|kr|kw|ky|kz|la|lb|lc|li|lk|lr|ls|lt|lu|lv|ly|ma|mc|md|me|mg|mh|mil|mk|ml|mm|mn|mobi|mo|mp|mq|mr|ms|mt|museum|mu|mv|mw|mx|my|mz|name|na|nc|net|ne|nf|ng|ni|nl|no|np|nr|nu|nz|om|org|pa|pe|pf|pg|ph|pk|pl|pm|pn|pro|pr|ps|pt|pw|py|qa|re|ro|rs|ru|rw|sa|sb|sc|sd|se|sg|sh|si|sj|sk|sl|sm|sn|so|sr|st|su|sv|sy|sz|tc|td|tel|tf|tg|th|tj|tk|tl|tm|tn|to|tp|travel|tr|tt|tv|tw|tz|ua|ug|uk|um|us|uy|uz|va|vc|ve|vg|vi|vn|vu|wf|ws|xn--0zwm56d|xn--11b5bs3a9aj6g|xn--80akhbyknj4f|xn--9t4b11yi5a|xn--deba0ad|xn--g6w251d|xn--hgbk6aj7f53bba|xn--hlcj6aya9esc7a|xn--jxalpdlp|xn--kgbechtv|xn--zckzah|ye|yt|yu|za|zm|zw)",
        HOST_OR_IP = "(?:" + HOSTNAME + TLD + "|" + IPV4 + ")",
        PATH = "(?:[;/][^#?<>\\s]*)?",
        QUERY_FRAG = "(?:\\?[^#<>\\s]*)?(?:#[^<>\\s]*)?",
        URI1 = "\\b" + SCHEME + "[^<>\\s]+",
        URI2 = "\\b" + HOST_OR_IP + PATH + QUERY_FRAG + "(?!\\w)",
    
        MAILTO = "mailto:",
        EMAIL = "(?:" + MAILTO + ")?[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*@" + HOST_OR_IP + QUERY_FRAG + "(?!\\w)",
    
        URI_RE = new RegExp( "(?:" + URI1 + "|" + URI2 + "|" + EMAIL + ")", "ig" ),
        SCHEME_RE = new RegExp( "^" + SCHEME, "i" ),
    
        quotes = {
          "'": "`",
          '>': '<',
          ')': '(',
          ']': '[',
          '}': '{',
          '»': '«',
          '›': '‹'
        },
    
        default_options = {
          callback: function( text, href ) {
            // return href ? '<a href="' + href + '" title="' + href + '">' + text + '<\/a>' : text;
            return href ? '<a href="' + href + '">' + text + '<\/a>' : text;
          },
          punct_regexp: /(?:[!?.,:;'"]|(?:&|&amp;)(?:lt|gt|quot|apos|raquo|laquo|rsaquo|lsaquo);)$/
        };
      return function( txt, options ) {
        options = options || {};
    
        // Temp variables.
        var arr,
          i,
          link,
          href,
      
          // Output HTML.
          html = '',
      
          // Store text / link parts, in order, for re-combination.
          parts = [],
      
          // Used for keeping track of indices in the text.
          idx_prev,
          idx_last,
          idx,
          link_last,
      
          // Used for trimming trailing punctuation and quotes from links.
          matches_begin,
          matches_end,
          quote_begin,
          quote_end;
    
        // Initialize options.
        for ( i in default_options ) {
          if ( options[ i ] === undefined ) {
            options[ i ] = default_options[ i ];
          }
        }
    
        // Find links.
        while ( arr = URI_RE.exec( txt ) ) {
      
          link = arr[0];
          idx_last = URI_RE.lastIndex;
          idx = idx_last - link.length;
      
          // Not a link if preceded by certain characters.
          if ( /[\/:]/.test( txt.charAt( idx - 1 ) ) ) {
            continue;
          }
      
          // Trim trailing punctuation.
          do {
            // If no changes are made, we don't want to loop forever!
            link_last = link;
        
            quote_end = link.substr( -1 )
            quote_begin = quotes[ quote_end ];
        
            // Ending quote character?
            if ( quote_begin ) {
              matches_begin = link.match( new RegExp( '\\' + quote_begin + '(?!$)', 'g' ) );
              matches_end = link.match( new RegExp( '\\' + quote_end, 'g' ) );
          
              // If quotes are unbalanced, remove trailing quote character.
              if ( ( matches_begin ? matches_begin.length : 0 ) < ( matches_end ? matches_end.length : 0 ) ) {
                link = link.substr( 0, link.length - 1 );
                idx_last--;
              }
            }
        
            // Ending non-quote punctuation character?
            if ( options.punct_regexp ) {
              link = link.replace( options.punct_regexp, function(a){
                idx_last -= a.length;
                return '';
              });
            }
          } while ( link.length && link !== link_last );
      
          href = link;
      
          // Add appropriate protocol to naked links.
          if ( !SCHEME_RE.test( href ) ) {
            href = ( href.indexOf( '@' ) !== -1 ? ( !href.indexOf( MAILTO ) ? '' : MAILTO )
              : !href.indexOf( 'irc.' ) ? 'irc://'
              : !href.indexOf( 'ftp.' ) ? 'ftp://'
              : 'http://' )
              + href;
          }
      
          // Push preceding non-link text onto the array.
          if ( idx_prev != idx ) {
            parts.push([ txt.slice( idx_prev, idx ) ]);
            idx_prev = idx_last;
          }
      
          // Push massaged link onto the array
          parts.push([ link, href ]);
        };
    
        // Push remaining non-link text onto the array.
        parts.push([ txt.substr( idx_prev ) ]);
    
        // Process the array items.
        for ( i = 0; i < parts.length; i++ ) {
          html += options.callback.apply( window, parts[i] );
        }
    
        // In case of catastrophic failure, return the original text;
        return html || txt;
      };
  
    })();

})(jQuery);