这个选项包含一个以逗号分隔的转换元素列表。每块包含了一个元素及其属性应当怎么被处理。默认规则集如下：
| 控制字符： | |
| , | 分隔元素定义。 |
| / | 分隔同义元素。第一个元素是要输出的。 |
| | | 分隔属性定义。 |
| [ | 为一个元素定义开始一个新的属性列表。 |
| ] | 一个元素的定义属性列表的结束。 |
| = | 让属性默认为指定值。例如 "target=_blank" |
| : | 强制属性为指定值。例如 "border:0" |
| < | 验证属性值，例如 "target<_blank?_self" |
| ? | 分隔属性验证值，见上面。 |
| + | 如果没有子结点存在，打开元素。例如： +a. |
| - | 允许移除空元素，例如： -strong. |
特殊变量：
{$uid} 一个独立 ID 的集合。例如："p[id:{$uid}]"。
用 *[*] 代表所有的元素和属性。当使用 invalid_elements 选项时这很有用。
valid_elements 选项：
示例字符串让 TinyMCE 移除所有不是 "a, strong, div 或 br" 的元素，将 b 元素转换成 strong 元素，target 默认为 "_blank"，保持元素的 href, target 和 align 属性。
tinyMCE.init({
...
valid_elements : "a[href|target=_blank],strong/b,div[align],br"
});
默认规则集：
这是 TinyMCE 默认清理HTML内容用的字符串。
+a[id|style|rel|rev|charset|hreflang|dir|lang|tabindex|accesskey|type|name|href|target|title|class|onfocus|onblur|onclick|ondblclick|onmousedown|onmouseup|onmouseover|onmousemove|onmouseout|onkeypress|onkeydown|onkeyup],-strong/-b[class|style],-em/-i[class|style],-strike[class|style],-u[class|style],+p[style|dir|class|align],-ol[class|style],-ul[class|style],-li[class|style],br,img[id|dir|lang|longdesc|usemap|style|class|src|onmouseover|onmouseout|border=0|alt|title|hspace|vspace|width|height|align],-sub[style|class],-sup[style|class],-blockquote[dir|style],-table[border=0|cellspacing|cellpadding|width|height|class|align|summary|style|dir|id|lang|bgcolor|background|bordercolor],-tr[id|lang|dir|class|rowspan|width|height|align|valign|style|bgcolor|background|bordercolor],tbody[id|class],thead[id|class],tfoot[id|class],-td[id|lang|dir|class|colspan|rowspan|width|height|align|valign|style|bgcolor|background|bordercolor|scope],-th[id|lang|dir|class|colspan|rowspan|width|height|align|valign|style|scope],caption[id|lang|dir|class|style],-div[id|dir|class|align|style],-span[style|class|align],-pre[class|align|style],address[class|align|style],-h1[style|dir|class|align],-h2[style|dir|class|align],-h3[style|dir|class|align],-h4[style|dir|class|align],-h5[style|dir|class|align],-h6[style|dir|class|align],hr[class|style],-font[face|size|style|id|class|dir|color],dd[id|class|title|style|dir|lang],dl[id|class|title|style|dir|lang],dt[id|class|title|style|dir|lang]
XHTML 完全规则集
下面的字符串会验证是否满足XHTML规范。
valid_elements : "" +"a[accesskey|charset|class|coords|dir<ltr?rtl|href|hreflang|id|lang|name" +"|onblur|onclick|ondblclick|onfocus|onkeydown|onkeypress|onkeyup" +"|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|rel|rev" +"|shape<circle?default?poly?rect|style|tabindex|title|target|type]," +"abbr[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress" +"|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style" +"|title]," +"acronym[class|dir<ltr?rtl|id|id|lang|onclick|ondblclick|onkeydown|onkeypress" +"|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style" +"|title]," +"address[class|align|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown" +"|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover" +"|onmouseup|style|title]," +"applet[align<bottom?left?middle?right?top|alt|archive|class|code|codebase" +"|height|hspace|id|name|object|style|title|vspace|width]," +"area[accesskey|alt|class|coords|dir<ltr?rtl|href|id|lang|nohref<nohref" +"|onblur|onclick|ondblclick|onfocus|onkeydown|onkeypress|onkeyup" +"|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup" +"|shape<circle?default?poly?rect|style|tabindex|title|target]," +"base[href|target]," +"basefont[color|face|id|size]," +"bdo[class|dir<ltr?rtl|id|lang|style|title]," +"big[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress" +"|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style" +"|title]," +"blockquote[dir|style|cite|class|dir<ltr?rtl|id|lang|onclick|ondblclick" +"|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout" +"|onmouseover|onmouseup|style|title]," +"body[alink|background|bgcolor|class|dir<ltr?rtl|id|lang|link|onclick" +"|ondblclick|onkeydown|onkeypress|onkeyup|onload|onmousedown|onmousemove" +"|onmouseout|onmouseover|onmouseup|onunload|style|title|text|vlink]," +"br[class|clear<all?left?none?right|id|style|title]," +"button[accesskey|class|dir<ltr?rtl|disabled<disabled|id|lang|name|onblur" +"|onclick|ondblclick|onfocus|onkeydown|onkeypress|onkeyup|onmousedown" +"|onmousemove|onmouseout|onmouseover|onmouseup|style|tabindex|title|type" +"|value]," +"caption[align<bottom?left?right?top|class|dir<ltr?rtl|id|lang|onclick" +"|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove" +"|onmouseout|onmouseover|onmouseup|style|title]," +"center[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress" +"|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style" +"|title]," +"cite[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress" +"|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style" +"|title]," +"code[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress" +"|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style" +"|title]," +"col[align<center?char?justify?left?right|char|charoff|class|dir<ltr?rtl|id" +"|lang|onclick|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown" +"|onmousemove|onmouseout|onmouseover|onmouseup|span|style|title" +"|valign<baseline?bottom?middle?top|width]," +"colgroup[align<center?char?justify?left?right|char|charoff|class|dir<ltr?rtl" +"|id|lang|onclick|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown" +"|onmousemove|onmouseout|onmouseover|onmouseup|span|style|title" +"|valign<baseline?bottom?middle?top|width]," +"dd[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress|onkeyup" +"|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style|title]," +"del[cite|class|datetime|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown" +"|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover" +"|onmouseup|style|title]," +"dfn[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress" +"|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style" +"|title]," +"dir[class|compact<compact|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown" +"|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover" +"|onmouseup|style|title]," +"div[align<center?justify?left?right|class|dir<ltr?rtl|id|lang|onclick" +"|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove" +"|onmouseout|onmouseover|onmouseup|style|title]," +"dl[class|compact<compact|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown" +"|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover" +"|onmouseup|style|title]," +"dt[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress|onkeyup" +"|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style|title]," +"em/i[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress" +"|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style" +"|title]," +"fieldset[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress" +"|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style" +"|title]," +"font[class|color|dir<ltr?rtl|face|id|lang|size|style|title]," +"form[accept|accept-charset|action|class|dir<ltr?rtl|enctype|id|lang" +"|method<get?post|name|onclick|ondblclick|onkeydown|onkeypress|onkeyup" +"|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|onreset|onsubmit" +"|style|title|target]," +"frame[class|frameborder|id|longdesc|marginheight|marginwidth|name" +"|noresize<noresize|scrolling<auto?no?yes|src|style|title]," +"frameset[class|cols|id|onload|onunload|rows|style|title]," +"h1[align<center?justify?left?right|class|dir<ltr?rtl|id|lang|onclick" +"|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove" +"|onmouseout|onmouseover|onmouseup|style|title]," +"h2[align<center?justify?left?right|class|dir<ltr?rtl|id|lang|onclick" +"|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove" +"|onmouseout|onmouseover|onmouseup|style|title]," +"h3[align<center?justify?left?right|class|dir<ltr?rtl|id|lang|onclick" +"|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove" +"|onmouseout|onmouseover|onmouseup|style|title]," +"h4[align<center?justify?left?right|class|dir<ltr?rtl|id|lang|onclick" +"|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove" +"|onmouseout|onmouseover|onmouseup|style|title]," +"h5[align<center?justify?left?right|class|dir<ltr?rtl|id|lang|onclick" +"|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove" +"|onmouseout|onmouseover|onmouseup|style|title]," +"h6[align<center?justify?left?right|class|dir<ltr?rtl|id|lang|onclick" +"|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove" +"|onmouseout|onmouseover|onmouseup|style|title]," +"head[dir<ltr?rtl|lang|profile]," +"hr[align<center?left?right|class|dir<ltr?rtl|id|lang|noshade<noshade|onclick" +"|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove" +"|onmouseout|onmouseover|onmouseup|size|style|title|width]," +"html[dir<ltr?rtl|lang|version]," +"iframe[align<bottom?left?middle?right?top|class|frameborder|height|id" +"|longdesc|marginheight|marginwidth|name|scrolling<auto?no?yes|src|style" +"|title|width]," +"img[align<bottom?left?middle?right?top|alt|border|class|dir<ltr?rtl|height" +"|hspace|id|ismap<ismap|lang|longdesc|name|onclick|ondblclick|onkeydown" +"|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover" +"|onmouseup|src|style|title|usemap|vspace|width]," +"input[accept|accesskey|align<bottom?left?middle?right?top|alt" +"|checked<checked|class|dir<ltr?rtl|disabled<disabled|id|ismap<ismap|lang" +"|maxlength|name|onblur|onclick|ondblclick|onfocus|onkeydown|onkeypress" +"|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|onselect" +"|readonly<readonly|size|src|style|tabindex|title" +"|type<button?checkbox?file?hidden?image?password?radio?reset?submit?text" +"|usemap|value]," +"ins[cite|class|datetime|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown" +"|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover" +"|onmouseup|style|title]," +"isindex[class|dir<ltr?rtl|id|lang|prompt|style|title]," +"kbd[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress" +"|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style" +"|title]," +"label[accesskey|class|dir<ltr?rtl|for|id|lang|onblur|onclick|ondblclick" +"|onfocus|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout" +"|onmouseover|onmouseup|style|title]," +"legend[align<bottom?left?right?top|accesskey|class|dir<ltr?rtl|id|lang" +"|onclick|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove" +"|onmouseout|onmouseover|onmouseup|style|title]," +"li[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress|onkeyup" +"|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style|title|type" +"|value]," +"link[charset|class|dir<ltr?rtl|href|hreflang|id|lang|media|onclick" +"|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove" +"|onmouseout|onmouseover|onmouseup|rel|rev|style|title|target|type]," +"map[class|dir<ltr?rtl|id|lang|name|onclick|ondblclick|onkeydown|onkeypress" +"|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style" +"|title]," +"menu[class|compact<compact|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown" +"|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover" +"|onmouseup|style|title]," +"meta[content|dir<ltr?rtl|http-equiv|lang|name|scheme]," +"noframes[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress" +"|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style" +"|title]," +"noscript[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress" +"|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style" +"|title]," +"object[align<bottom?left?middle?right?top|archive|border|class|classid" +"|codebase|codetype|data|declare|dir<ltr?rtl|height|hspace|id|lang|name" +"|onclick|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove" +"|onmouseout|onmouseover|onmouseup|standby|style|tabindex|title|type|usemap" +"|vspace|width]," +"ol[class|compact<compact|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown" +"|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover" +"|onmouseup|start|style|title|type]," +"optgroup[class|dir<ltr?rtl|disabled<disabled|id|label|lang|onclick" +"|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove" +"|onmouseout|onmouseover|onmouseup|style|title]," +"option[class|dir<ltr?rtl|disabled<disabled|id|label|lang|onclick|ondblclick" +"|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout" +"|onmouseover|onmouseup|selected<selected|style|title|value]," +"p[align<center?justify?left?right|class|dir<ltr?rtl|id|lang|onclick" +"|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove" +"|onmouseout|onmouseover|onmouseup|style|title]," +"param[id|name|type|value|valuetype<DATA?OBJECT?REF]," +"pre/listing/plaintext/xmp[align|class|dir<ltr?rtl|id|lang|onclick|ondblclick" +"|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout" +"|onmouseover|onmouseup|style|title|width]," +"q[cite|class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress" +"|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style" +"|title]," +"s[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress|onkeyup" +"|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style|title]," +"samp[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress" +"|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style" +"|title]," +"script[charset|defer|language|src|type]," +"select[class|dir<ltr?rtl|disabled<disabled|id|lang|multiple<multiple|name" +"|onblur|onclick|ondblclick|onfocus|onkeydown|onkeypress|onkeyup" +"|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|size|style" +"|tabindex|title]," +"small[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress" +"|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style" +"|title]," +"span[align<center?justify?left?right|class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown" +"|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover" +"|onmouseup|style|title]," +"strike[class|class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown" +"|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover" +"|onmouseup|style|title]," +"strong/b[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress" +"|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style" +"|title]," +"style[dir<ltr?rtl|lang|media|title|type]," +"sub[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress" +"|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style" +"|title]," +"sup[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress" +"|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style" +"|title]," +"table[align<center?left?right|bgcolor|border|cellpadding|cellspacing|class" +"|dir<ltr?rtl|frame|height|id|lang|onclick|ondblclick|onkeydown|onkeypress" +"|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|rules" +"|style|summary|title|width]," +"tbody[align<center?char?justify?left?right|char|class|charoff|dir<ltr?rtl|id" +"|lang|onclick|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown" +"|onmousemove|onmouseout|onmouseover|onmouseup|style|title" +"|valign<baseline?bottom?middle?top]," +"td[abbr|align<center?char?justify?left?right|axis|bgcolor|char|charoff|class" +"|colspan|dir<ltr?rtl|headers|height|id|lang|nowrap<nowrap|onclick" +"|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove" +"|onmouseout|onmouseover|onmouseup|rowspan|scope<col?colgroup?row?rowgroup" +"|style|title|valign<baseline?bottom?middle?top|width]," +"textarea[accesskey|class|cols|dir<ltr?rtl|disabled<disabled|id|lang|name" +"|onblur|onclick|ondblclick|onfocus|onkeydown|onkeypress|onkeyup" +"|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|onselect" +"|readonly<readonly|rows|style|tabindex|title]," +"tfoot[align<center?char?justify?left?right|char|charoff|class|dir<ltr?rtl|id" +"|lang|onclick|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown" +"|onmousemove|onmouseout|onmouseover|onmouseup|style|title" +"|valign<baseline?bottom?middle?top]," +"th[abbr|align<center?char?justify?left?right|axis|bgcolor|char|charoff|class" +"|colspan|dir<ltr?rtl|headers|height|id|lang|nowrap<nowrap|onclick" +"|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown|onmousemove" +"|onmouseout|onmouseover|onmouseup|rowspan|scope<col?colgroup?row?rowgroup" +"|style|title|valign<baseline?bottom?middle?top|width]," +"thead[align<center?char?justify?left?right|char|charoff|class|dir<ltr?rtl|id" +"|lang|onclick|ondblclick|onkeydown|onkeypress|onkeyup|onmousedown" +"|onmousemove|onmouseout|onmouseover|onmouseup|style|title" +"|valign<baseline?bottom?middle?top]," +"title[dir<ltr?rtl|lang]," +"tr[abbr|align<center?char?justify?left?right|bgcolor|char|charoff|class" +"|rowspan|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress" +"|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style" +"|title|valign<baseline?bottom?middle?top]," +"tt[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress|onkeyup" +"|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style|title]," +"u[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress|onkeyup" +"|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style|title]," +"ul[class|compact<compact|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown" +"|onkeypress|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover" +"|onmouseup|style|title|type]," +"var[class|dir<ltr?rtl|id|lang|onclick|ondblclick|onkeydown|onkeypress" +"|onkeyup|onmousedown|onmousemove|onmouseout|onmouseover|onmouseup|style" +"|title]"