function clearhtml(str){
str = str.replace(/<\s*script[^>]*>(.|[\r\n])*?<\s*\/script[^>]*>/gi, "");//过滤js代码
str = str.replace(/<\s*style[^>]*>(.|[\r\n])*?<\s*\/style[^>]*>/gi, "");//过滤css代码
str = str.replace(/<\/?[^>]+>/g, "");//过滤html标签
str = str.replace(/\&[a-z]+;/gi, "");
str = str.replace(/\s+/g, "\n");
return str;
}
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