Code Contribution Program #2

⏎ Return to Code Contribution Project

This code has not yet been used, but might be implemented sometime in the future.

Code author: James KanjoJames Kanjo
Attribution text: James Kanjo
Programming language: JavaScript
Description:

This is a JavaScript function that converts Wikidot Syntax into it's HTML equivalent.
For example:

alert(WikidotToHTML('**STE**'));

Will return:
<p><strong>STE</strong></p>

If you use its optional “attributes” tag, it will generate more accurate HTML based on the page's metadata. Attributes are:

  • site: http://whatever.com;
  • fullname: category:name;
  • tags: tag1,tag2,tag3;

As the attributes are read as a string, you need to surround the attributes with quotations. For example:

WikidotToHTML(wiki-syntax,'site: http://james.wikidot.com; fullname: blog:74;');

First submitted: 1307699628|%O ago, %e %B %Y
Last updated: 1309595396|%O ago, %e %B %Y

function WikidotToHTML(body,attributes) {
    <!-- Wikidot Syntax to HTML Converter -->
    <!-- © James Kanjo 2011 -->
    <!-- Revision 575 -->
 
    <!-- Establish Page Attributes -->
    var str_fullname = 'fullname';
    if (/fullname *: *([^; ]((?! *;).)*) *;/.test(attributes)) {
    str_fullname = /fullname *: *([^; ]((?! *;).)*) *;/i.exec(attributes)[1];}
    var str_site = 'http:�parsed2slash�www.wikidot.com';
    if (/site *: *([^; ]((?! *;).)*) *;/.test(attributes)) {
    str_site = /site *: *([^; ]((?! *;).)*) *;/i.exec(attributes)[1].replace(/([^:\* \[]+):\/\//gi,'$1:�parsed2slash�');}
    var str_tags = '';
    if (/tags *: *([^; ]((?! *;).)*) *;/.test(attributes)) {
    str_tags = /tags *: *([^; ]((?! *;).)*) *;/i.exec(attributes)[1];}
 
    body = body.replace(/&/gi,'&amp;'); <!-- Ensures HTML entities are interpreted literally -->
    body = body.replace(/</gi,'&lt;');
    body = body.replace(/>/gi,'&gt;');
    body = body.replace(//gi,'&#65533;');
 
    <!-- Code Block Extractor -->
    var arr_code = new Array();
    while (/\[\[code(| ((?!]]).)*)]]((?!\n\[\[\/code]])(.|\n))+\n\[\[\/code]]/i.test(body)) {
        body = body.replace(/(\[\[code(| ((?!]]).)*)]]((?!\n\[\[\/code]])(.|\n))+\n\[\[\/code]])/i,'�code' + arr_code.push(/(\[\[code(| ((?!]]).)*)]]((?!\n\[\[\/code]])(.|\n))+\n\[\[\/code]])/i.exec(body)[1]) + '');
    }
 
    <!-- Embed Block Extractor -->
    var arr_embed = new Array();
    while (/\[\[embed]]((?!\[\[\/embed]])(.|\n))+\[\[\/embed]]/i.test(body)) {
        body = body.replace(/(\[\[embed]]((?!\[\[\/embed]])(.|\n))+\[\[\/embed]])/i,'�embed' + arr_embed.push(/(\[\[embed]]((?!\[\[\/embed]])(.|\n))+\[\[\/embed]])/i.exec(body)[1]) + '');
    }
 
    <!-- Escaped Text Extractor -->
    var arr_escape = new Array();
    while (/@&lt;((?!&gt;@).)+&gt;@/i.test(body)) {
        body = body.replace(/(@&lt;((?!&gt;@).)+&gt;@)/i,'�escape' + arr_escape.push(/(@&lt;((?!&gt;@).)+&gt;@)/i.exec(body)[1]) + '');
    }
 
    <!-- Literal Text Extractor -->
    var arr_literal = new Array();
    while (/@@(([email protected]@).)[email protected]@/i.test(body)) {
        body = body.replace(/(@@(([email protected]@).)[email protected]@)/i,'�literal' + arr_literal.push(/(@@(([email protected]@).)[email protected]@)/i.exec(body)[1]) + '');
    }
 
    <!-- Typography Syntax -->
    body = body.replace(/``(((?!'').)+)''/gi,'“$1”');
    body = body.replace(/`([^']+)'/gi,'‘$1’');
    body = body.replace(/,,(((?!'').)+)''/gi,'„$1”');
    body = body.replace(/&lt;&lt;(((?!&gt;&gt;).)+)&gt;&gt;/gi,'«$1»');
    body = body.replace(/&gt;&gt;(((?!&lt;&lt;).)+)&lt;&lt;/gi,'»$1«');
    body = body.replace(/\.\.\./gi,'');
    body = body.replace(/\s--\s/gi,'');
 
    <!-- User Link -->
    body = body.replace(/\[\[\*?user (((?!]]).)+)]]/gi,'<span class="printuser"><a href="http://www.wikidot.com/user:info/$1" onclick="WIKIDOT.page.listeners.userInfo(1); return false;">$1</a></span>');
 
    <!-- iframe Element -->
    body = body.replace(/\[\[iframe (((?!( |]])).)+)( ((?!]]).)+)? *]]/gi,'<iframe src="$1"$5></iframe>');
 
    <!-- Image Element -->
    body = body.replace(/\[\[(=|&lt;|&gt;)?image (((?!( |]])).)+)( ((?!]]).)+)? *]]/gi,'<img$1 src="$2"$6 />');
    body = body.replace(/<img&lt;/gi,'<img style="text-align: left;"');
    body = body.replace(/<img&gt;/gi,'<img style="text-align: right;"');
    body = body.replace(/<img=/gi,'<img style="text-align: center;"');
 
    <!-- Horizontal Rule Element -->
    body = body.replace(/(^|\n)----(\n|$)/gi,'<hr />');
 
    <!-- Heading Elements -->
    body = body.replace(/(^|\n)(\++)\*? ([^\n]+)(\n|$)/gi,'<h$2>$3</h$2>');
 
    while (/<h\++>/i.test(body)) {
        body = body.replace(/<h\++>/i,'<h'+(/<h\++>/i.exec(body)[0].length-3)+'>');
    }
    while (/<\/h\++>/i.test(body)) {
        body = body.replace(/<\/h\++>/i,'</h'+(/<\/h\++>/i.exec(body)[0].length-3)+'>');
    }
 
    <!-- Ignore New Line -->
    body = body.replace(/\\\n/gi,'');
 
    <!-- Blockquote Element -->
    while (/((^|\n)&gt;((&gt;)*) (.+)|<blockquote>&gt;((&gt;)*) (.+)|<\/blockquote>\n<blockquote>)/i.test(body)) {
        body = body.replace(/(^|\n)&gt;((&gt;)*) (.+)/i,'$1<blockquote>$2 $4</blockquote>');
        body = body.replace(/<blockquote>&gt;((&gt;)*) (.+)/i,'<blockquote><blockquote>$1 $3</blockquote>');
        body = body.replace(/<\/blockquote>\n<blockquote>/i,'\n');
    }
    body = body.replace(/<\/blockquote>\n/gi,'</blockquote>');
    body = body.replace(/\n<blockquote>/gi,'<blockquote>');
 
    <!-- Paragraph Formatter Partial -->
    body = body.replace(/\n\n\n+/gi,'\n\n');
    body = body.replace(/[ ]_\n/gi,'<br />');
 
    <!-- List Extractor -->
    var arr_list = new Array();
    while (/(^|\n)[#\*] .+(\n *[#\*] .+)*/i.test(body)) {
        body = body.replace(/((^|\n)[#\*] .+(\n *[#\*] .+)*)/i,'\n�list' + arr_list.push(/((^|\n)[#\*] .+(\n *[#\*] .+)*)/i.exec(body)[1]) + '');
    }
    <!-- List Restorer -->
    for (index=arr_list.length-1;index>=0;index=index-1) {
        body = body.replace('�list'+ (index + 1) +'',arr_list.splice(index,1));
    }
    <!-- List Elements -->
    while (/((^|\n)# (.+)|(^|\n)\* (.+)|<\/(ol|ul)>\n (| +)# (.+)|<\/(ol|ul)>\n (| +)\* (.+)|<li><(ol|ul)>)/i.test(body)) {
        body = body.replace(/(^|\n)# (.+)/i,'$1<ol><li>$2</li></ol>');
        body = body.replace(/(^|\n)\* (.+)/i,'$1<ul><li>$2</li></ul>');
        body = body.replace(/<\/(ol|ul)>\n (| +)# (.+)/i,'</$1>\n$2# <ol><li>$3</li></ol>');
        body = body.replace(/<\/(ol|ul)>\n (| +)\* (.+)/i,'</$1>\n$2* <ul><li>$3</li></ul>');
        body = body.replace(/<li><(ol|ul)>/i,'<li style="list-style: none; display: inline;"><$1>');
    }
    while (/(<\/ol>\n<ol>|<\/ul>\n<ul>)/i.test(body)) {
        body = body.replace(/<\/ol>\n<ol>/i,'');
        body = body.replace(/<\/ul>\n<ul>/i,'');
    }
 
    body = body.replace(/<\/(ol|ul)>\n/gi,'</$1>');
    body = body.replace(/\n<(ol|ul)>/gi,'<$1>');
 
    <!-- Simple Table Extractor -->
    var arr_simple = new Array();
    while (/((^|\n)((\|\|)+).+)+/i.test(body)) {
        body = body.replace(/(((^|\n)((\|\|)+).+)+)/i,'\n�simple' + arr_simple.push(/(((^|\n)((\|\|)+).+)+)/i.exec(body)[1]) + '�\n');
    }
 
    for (index=0;index<arr_simple.length;index=index+1) {
        arr_simple[index] = arr_simple[index].replace(/(^|\n)(.+)/gi,'\n<tr>$2</tr>');
        while (/(\|\|)+/i.test(arr_simple[index])) {
            arr_simple[index] = arr_simple[index].replace(/(\|\|)+/i,'</td><td colspan="'+(/(\|\|)+/i.exec(arr_simple[index])[0].length/2)+'">');
        }
        arr_simple[index] = arr_simple[index].replace(/<td((?!(<\/td>|<\/tr>)).)+<\/tr>/gi,'</tr>');
        arr_simple[index] = arr_simple[index].replace(/<tr><\/td>/gi,'<tr>');
        arr_simple[index] = arr_simple[index].replace(/<td([^>]+)>(([~=])|&lt;|&gt;)/gi,'<td s="$2"$1>');
        arr_simple[index] = arr_simple[index].replace(/<td s="~"/gi,'<th');
        arr_simple[index] = arr_simple[index].replace(/<td s="&lt;/gi,'<td style="text-align: left;');
        arr_simple[index] = arr_simple[index].replace(/<td s="&gt;/gi,'<td style="text-align: right;');
        arr_simple[index] = arr_simple[index].replace(/<td s="=/gi,'<td style="text-align: center;');
        arr_simple[index] = arr_simple[index].replace(/<th(((?!<\/td>).)+)<\/td>/gi,'<th$1</th>');
        arr_simple[index] = arr_simple[index].replace(/ colspan="1">/gi,'>');
        arr_simple[index] = '<table class="wiki-content-table"><tbody>' + arr_simple[index].substr(1) + '</tbody></table>';
    }
    <!-- Simple Table Restorer -->
    for (index=arr_simple.length-1;index>=0;index=index-1) {
        body = body.replace('�simple'+ (index + 1) +'',arr_simple.splice(index,1));
    }
 
    <!-- Paragraph Formatter Complete -->
    body = body.replace(/^\n+|\n+$/gi,'');
    body = '<p>' + body + '</p>'
    body = body.replace(/\n\n/gi,'</p><p>');
    body = body.replace(/\n/gi,'<br />');
    body = body.replace(/<p>= /gi,'<p style="text-align: center;">');
 
    <!-- Clear Floats Element -->
    body = body.replace(/~~~~/gi,'<div style="clear:both; height: 0px; font-size: 1px"></div>');
 
    <!-- Date Element -->
    body = body.replace(/\[\[date ([^\] ]+)]]/gi,'<span class="odate">$1</span>');        
    body = body.replace(/\[\[date ([^\] ]+) format\="([^"]+)"]]/gi,'<span class="odate">$1|$2</span>');
 
    <!-- Text Aligning Elements -->
    body = body.replace(/\[\[\=]]/gi,'<div style="text-align: center;">');
    body = body.replace(/\[\[\=\=]]/gi,'<div style="text-align: justify;">');
    body = body.replace(/\[\[&lt;]]/gi,'<div style="text-align: left;">');
    body = body.replace(/\[\[&gt;]]/gi,'<div style="text-align: right;">');
    body = body.replace(/\[\[\/(\=|\=\=|&lt;|&gt;)]]/gi,'</div>');
 
    <!-- Note Element -->
    body = body.replace(/\[\[note]]/gi,'<div class="wiki-note">');
    body = body.replace(/\[\[\/note]]/gi,'</div>');
 
    <!-- Size Element -->
    body = body.replace(/\[\[size ([^\]"]+)]]/gi,'<span style="font-size: $1;">');
    body = body.replace(/\[\[\/size]]/gi,'</span>');
 
    <!-- Table Elements -->
    body = body.replace(/\[\[table(| [^\]]*)]]/gi,'<table$1><tbody>');
    body = body.replace(/\[\[row(| [^\]]*)]]/gi,'<tr$1>');
    body = body.replace(/\[\[hcell(| [^\]]*)]]/gi,'<th$1>');
    body = body.replace(/\[\[cell(| [^\]]*)]]/gi,'<td$1>');
    body = body.replace(/\[\[\/cell]]/gi,'</td>');
    body = body.replace(/\[\[\/hcell]]/gi,'</th>');
    body = body.replace(/\[\[\/row]]/gi,'</tr>')
    body = body.replace(/\[\[\/table]]/gi,'</tbody></table>');
 
    <!-- Basic Elements -->
    body = body.replace(/\[\[(div|span)(| [^\]]*)]]/gi,'<$1$2>');
    body = body.replace(/\[\[\/(div|span)]]/gi,'</$1>');
    body = body.replace(/\[\[iframe ([^\] ]+)( ((?!]]).)+)*]]/gi,'<iframe src="$1"$2></iframe>');
    body = body.replace(/\[\[calculate]](((?!\[\[\/calculate]]).)*)\[\[\/calculate]]/gi,'<span class="wd-calculate">$1</span>');
 
    <!-- Inline Formatting Partial -->
    body = body.replace(/\*\*(((?!\*\*).)+)\*\*/gi,'<strong>$1</strong>');
    body = body.replace(/__(((?!__).)+)__/gi,'<span style="text-decoration: underline;">$1</span>');
    body = body.replace(/\[\!--/gi,'[!__');    <!-- Comment Markers Partial -->
    body = body.replace(/--]/gi,'__]');        <!-- Comment Markers Partial -->
    body = body.replace(/--(((?!--).)+)--/gi,'<span style="text-decoration: line-through;">$1</span>');
    body = body.replace(/\[\!__/gi,'<!--');    <!-- Comment Markers Complete -->
    body = body.replace(/__]/gi,'-->');        <!-- Comment Markers Complete -->
    body = body.replace(/{{(((?!}}).)+)}}/gi,'<tt>$1</tt>');
    body = body.replace(/\^\^(((?!\^\^).)+)\^\^/gi,'<sup>$1</sup>');
    body = body.replace(/,,(((?!,,).)+),,/gi,'<sub>$1</sub>');
    body = body.replace(/##([^\|]+)\|(((?!##).)+)##/gi,'<span style="color: $1;">$2</span>');
 
    <!-- Links -->
    <!-- [[# Anchor]] -->
    body = body.replace(/\[\[# +(((?!]]).)+)]]/gi,'<a name="$1"></a>');
    <!-- [#Anchor Link] -->
    body = body.replace(/([^\[])\[#([^ ]+) +([^\]]+)]/gi,'$1<a href="#$2">$3</a>');
    <!-- [# Empty Link] -->
    body = body.replace(/\[# +([^\]]+)]/gi,'<a href="javascript:;">$1</a>');
    <!-- Links Partial -->
    body = body.replace(/([^:\* \[]+):\/\//gi,'$1:�2slash�');
    <!-- Ignore Parsed Links -->
    while (/(<[^>]+[^>:\* \[\/]+:)�2slash�([^>]*>)/i.test(body)) {
        body = body.replace(/(<[^>]+[^>:\* \[\/]+:)�2slash�([^>]*>)/i,'$1�parsed2slash�$2');
    }
    <!-- http://raw.link -->
    body = body.replace(/(<\/?[^>]+>| |\/\/)([^:\* \[\/]+:�2slash�)(((?!( |\. |<|\/\/)).)+)/gi,'$1<a href="$2$3">$2$3</a>');
    <!-- *http://raw.link New Window -->
    body = body.replace(/(<\/?[^>]+>| |\/\/)\*([^:\* \[]+:�2slash�)(((?!( |\. |<|\/\/)).)+)/gi,'$1<a href="$2$3" target="_blank">$2$3</a>');
    <!-- [[[External]]] -->
    body = body.replace(/\[\[\[(\*)?([^:\* \[]+:�2slash�[^ \|\]]+) *]]]/gi,'[[[$1$2|$2]]]');
    <!-- [[[*External|Custom]]] New Window -->
    body = body.replace(/\[\[\[\*([^:\* \[]+:�2slash�)(((?! *\|).)+) *\| *(((?!]]]).)+)]]]/gi,'<a href="$1$2" target="_blank">$4</a>');
    <!-- [[[External|Custom]]] -->
    body = body.replace(/\[\[\[([^:\* \[]+:�2slash�)(((?! *\|).)+) *\| *(((?!]]]).)+)]]]/gi,'<a href="$1$2">$4</a>');
    <!-- [[[Internal|Custom]]] -->
    body = body.replace(/\[\[\[(?![^:\* \[]+:�2slash�)\/?(((?!(@| *\|)).)+) *\| *(((?!]]]).)+)]]]/gi,'<a href="' + str_site + '/$1">$3</a>');
    <!-- [[[Internal]]] -->
    body = body.replace(/\[\[\[\/?(((?!(@|]]])).)+) *\|? *]]]/gi,'<a href="' + str_site + '/$1">$1</a>');
    <!-- [External] -->
    body = body.replace(/([^\[])\[(\*)?([^:\* \[]+:�2slash�[^ \]]+) *]/gi,'$1[$2$3 $3]');
    <!-- [External Custom] New Window -->
    body = body.replace(/([^\[])\[\*([^:\* \[]+:�2slash�)([^ ]+) +([^\]]+)]/gi,'$1<a href="$2$3" target="_blank">$4</a>');
    <!-- [InterWiki:topic] -->
    body = body.replace(/([^\[])\[(google|wikipedia|wikipedia\.pl|pl\.wikipedia|dictionary):([^ \]]+) *]/gi,'$1[$2:$3 $3]');
    <!-- [InterWiki:topic Custom] -->
    body = body.replace(/([^\[])\[google:([^ \]]+ *[^\]]+)]/gi,'$1[http:�2slash�www.google.com/search?q=$2]');
    body = body.replace(/([^\[])\[wikipedia:([^ \]]+ *[^\]]+)]/gi,'$1[http:�2slash�en.wikipedia.org/wiki/$2]');
    body = body.replace(/([^\[])\[(wikipedia\.pl|pl\.wikipedia):([^ \]]+ *[^\]]+)]/gi,'$1[http:�2slash�pl.wikipedia.org/wiki/$3]');
    body = body.replace(/([^\[])\[dictionary:([^ \]]+ *[^\]]+)]/gi,'$1[http:�2slash�dictionary.reference.com/browse/$2]');
    <!-- [External Custom] -->
    body = body.replace(/([^\[])\[([^:\* \[]+:�2slash�)([^ ]+) +([^\]]+)]/gi,'$1<a href="$2$3">$4</a>');
    <!-- [Internal Custom] -->
    body = body.replace(/([^\[])\[\/([^\[ ][^ ]*) +([^\]]+)]/gi,'$1<a href="' + str_site + '/$2">$3</a>');
    <!-- [email@address.com Custom] -->
    body = body.replace(/([^\[])\[([_a-zA-Z0-9-]+(\.[_a-zA-Z0-9-]+)*@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)+) +([^\]]+)]/gi,'$1<a href="mailto:$2">$5</a>');
    <!-- email@address.com -->
    body = body.replace(/(<\/?[^>]+>| |\/\/|\[)([_a-zA-Z0-9-]+(\.[_a-zA-Z0-9-]+)*@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)+)/gi,'$1<a href="mailto:$2">$2</a>');
    <!-- Button Link -->
    body = body.replace(/\[\[button ([^\] ]+) *(((?!text\="([^"]*)").)+)*]]/gi,'<a href="javascript:;" $2>$1</a>');
    body = body.replace(/\[\[button [^\] ]+ *(((?!text\="([^"]*)").)+)* *(text\="([^"]*)")? *(((?!]]).)+)?]]/gi,'<a href="javascript:;" $1 $6>$5</a>');
 
    <!-- File Syntax -->
    <!-- [[file /page/Link|Custom]] -->
    body = body.replace(/\[\[file +\/?(((?!(\/|]])).)+\/(((?! *\|).)+)) *\| *(((?! *]]).)+) *]]/gi,'<a href="' + str_site + '/local--files/$1">$5</a>');
    <!-- [[file /page/Link]]] -->
    body = body.replace(/\[\[file +\/?(((?!(\/|]])).)+\/(((?! *]]).)+)) *]]/gi,'<a href="' + str_site + '/local--files/$1">$1</a>');
    <!-- [[file Link|Custom]] -->
    body = body.replace(/\[\[file +\/(((?! *\|).)+) *\| *(((?! *]]).)+) *]]/gi,'<a href="' + str_site + '/local--files/$1">$3</a>');
    <!-- [[file Link|Custom]] -->
    body = body.replace(/\[\[file +(((?! *\|).)+) *\| *(((?! *]]).)+) *]]/gi,'<a href="' + str_site + '/local--files/' + str_fullname + '/$1">$3</a>');
    <!-- [[file Link]]] -->
    body = body.replace(/\[\[file +\/(((?! *]]).)+) *]]/gi,'<a href="' + str_site + '/local--files/$1">$1</a>');
    <!-- [[file Link]]] -->
    body = body.replace(/\[\[file +(((?! *]]).)+) *]]/gi,'<a href="' + str_site + '/local--files/' + str_fullname + '/$1">$1</a>');
 
    <!-- Inline Formatting Complete -->
    body = body.replace(/\/\/(((?!(\n|\/\/)).)+)\/\//gi,'<em>$1</em>');
    body = body.replace(/�(parsed)?2slash�/gi,'//');    <!-- Complete -->
 
    <!-- Code Block Extractor -->
    for (index=arr_code.length-1;index>=0;index=index-1) {
        arr_code[index] = arr_code[index].replace(/^\[\[code(|((?!]]).)+)]]\n?/i,'<div class="code"><!--$1 --><pre><code>');
        arr_code[index] = arr_code[index].substr(0,arr_code[index].length-9);
        body = body.replace('�code'+ (index + 1) +'',arr_code.splice(index,1)+'</code></pre></div>');
    }
 
    <!-- Embed Block Extractor -->
    for (index=arr_embed.length-1;index>=0;index=index-1) {
        arr_embed[index] = arr_embed[index].substr(9,arr_embed[index].length-19);
        arr_embed[index] = arr_embed[index].replace(/&amp;/gi,'&');
        arr_embed[index] = arr_embed[index].replace(/&lt;/gi,'<');
        arr_embed[index] = arr_embed[index].replace(/&gt;/gi,'>');
        arr_embed[index] = arr_embed[index].replace(/&#65533;/gi,'');
        body = body.replace('�embed'+ (index + 1) +'',arr_embed.splice(index,1));
    }
 
    <!-- Escaped Text Extractor -->
    for (index=arr_escape.length-1;index>=0;index=index-1) {
        arr_escape[index] = arr_escape[index].substr(5,arr_escape[index].length-10);
        arr_escape[index] = arr_escape[index].replace(/&amp;/gi,'&'); <!-- Ensures HTML entities function -->
        body = body.replace('�escape'+ (index + 1) +'',arr_escape.splice(index,1));
    }
 
    <!-- Literal Text Restorer -->
    for (index=arr_literal.length-1;index>=0;index=index-1) {
        arr_literal[index] = arr_literal[index].substr(2,arr_literal[index].length-4);
        body = body.replace('�literal'+ (index + 1) +'',arr_literal.splice(index,1));
    }
 
    <!-- Publish Converted HTML -->
    return body;
}
function ClientMathCalcuation() {
    <!-- © James Kanjo 2011 -->
    var body = document.getElementById('html-body').innerHTML;
    <!-- Client Math Extractor -->
    var exp_allowed = /<span class=\"wd-calculate\">(([\d\*\+\-\/\(\)=\!]|&lt;|&gt;|Math\.|E|LN2|LN10|LOG2E|LOG10E|PI|SQRT1_2|SQRT2|(abs|acos|asin|atan|atan2|ceil|cos|exp|floor|log|max|min|pow|random|round|sin|sqrt|tan)\()+)<\/span>/i;
    var arr_calc = new Array();
    while (exp_allowed.test(body)) {
        body = body.replace(exp_allowed,'�calc' + arr_calc.push(exp_allowed.exec(body)[1]) + '');
    }
    <!-- Client Math Calculator -->
    for (index=arr_calc.length-1;index>=0;index=index-1) {
        str_tmp = arr_calc[index];
        arr_calc[index] = arr_calc[index].replace(/&lt;/gi,'<');
        arr_calc[index] = arr_calc[index].replace(/&gt;/gi,'>');
        arr_calc[index] = arr_calc[index].replace(/<>/gi,'!=');
        arr_calc[index] = arr_calc[index].replace(/=/gi,'==');
        arr_calc[index] = arr_calc[index].replace(/====/gi,'==');
        arr_calc[index] = arr_calc[index].replace(/(E|LN2|LN10|LOG2E|LOG10E|PI|SQRT1_2|SQRT2|abs|acos|asin|atan|atan2|ceil|cos|exp|floor|log|max|min|pow|random|round|sin|sqrt|tan)/g,'Math.$1');
        arr_calc[index] = arr_calc[index].replace(/Math\.Math\.(E|LN2|LN10|LOG2E|LOG10E|PI|SQRT1_2|SQRT2|abs|acos|asin|atan|atan2|ceil|cos|exp|floor|log|max|min|pow|random|round|sin|sqrt|tan)/gi,'Math.$1');
        try {arr_calc[index] = eval(arr_calc[index]);}
        catch(originalstring) {arr_calc[index] = str_tmp;}
        body = body.replace('�calc'+ (index + 1) +'',arr_calc.splice(index,1));
    }
    document.getElementById('html-body').innerHTML = body;
}
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