试骰子

<div onclick="var seed=Number(/[0-9]+/.exec(location.href));function random(){seed=(seed*9301+49297)%233280;return seed/233280;};function DiceReplace(text){text=text.replace(/roll:([\dd+\-\s]+)/gi,function($0,$1){var sum=0;var rr=$1;$1=&#39;+&#39;+$1;$1=$1.replace(/([\+\-])(\d{0,10})(?:(d)(\d{1,10}))?/gi,function($0,$1,$2,$3,$4){if($2)$2=parseInt($2,10);else if($3)$2=1;else$2=0;var r=&#39;&#39;;if(!$3){if(typeof(sum)!=&#39;string&#39;)if($1==&#39;+&#39;)sum+=$2;else{sum -= $2;};return $1+$2;}if($2&gt;25||$4&gt;100000){sum=&#39;ERROR&#39;;return $1+&#39;OUT OF RANGE&#39;};for(let idx=0;idx&lt;$2;idx++){var rnd=Math.floor(random()*$4)+1;r+=$1+&#39;d&#39;+$4+&#39;(&#39;+rnd+&#39;)&#39;;if(typeof(sum)!=&#39;string&#39;)if($1==&#39;+&#39;)sum+=rnd;else sum-=rnd;}return r;});return &#39;[&lt;b&gt;ROLL : &#39;+rr+&#39;&lt;/b&gt;=&#39;+$1.substr(1)+&#39;=&lt;b&gt;&#39;+sum+&#39; &lt;/b&gt;]&#39;});return text;};document.body.innerHTML=DiceReplace(document.body.innerHTML);"> 骰子测试 </div>