$IMapLinkFmt['Attach:'] =
    "<a class='urllink' href='\$LinkUrl'>\$LinkText</a><a
      class='createlink' href='\$LinkUpload'>&Delta;</a>";
  Markup('Attach', '>img',
    "/\\bAttach:([^\\s$UrlExcludeChars]*[^\\s.,?!$UrlExcludeChars])/e",
    "Keep(MakeLink(\$pagename,'$0','$1'),'L')");
  $LinkUploadCreateFmt = "<a class='createlinktext'
    href='\$LinkUpload'>Attach:\$LinkText</a><a class='createlink'
    href='\$LinkUpload'>&nbsp;&Delta;</a>";

Another example:

    
  $IMapLinkFmt['Attach:'] =
    "<a class='urllink' href='\$LinkUrl'>\$LinkText</a><a
      class='createlink' href='\$LinkUpload'>&Delta;</a>";
  Markup('Attach', '>img',
    "/\\bAttach:([^\\s$UrlExcludeChars]*[^\\s.,?!$UrlExcludeChars])/e",
    "Keep(MakeLink(\$pagename,'$0','$1'),'L')");
  $LinkUploadCreateFmt = "<a class='createlinktext'
    href='\$LinkUpload'>Attach:\$LinkText</a><a class='createlink'
    href='\$LinkUpload'>&nbsp;&Delta;</a>";