脚本之家贴图转换+转贴工具用到的js代码超级推荐_javascript技巧

function delnull()
{
var str=document.getElementById('text').value;
str=str.replace(/([\s]*\r\n[\s]*){2,}/gm,"\r\n");
document.getElementById('text').value=str;
}
function refix()
{
var str=document.getElementById('text').value;
str=str.replace(/([\s]*\r\n[\s]*){2,}/gm,"\r\n\r\n");
document.getElementById('text').value=str;
}
function url()
{
var str=document.getElementById('text').value;
str=str.replace(/^[ ]*(http:\/\/|^mms:\/\/|rtsp:\/\/|pnm:\/\/|ftp:\/\/|mmst:\/\/|mmsu:\/\/)([^\r\n]*)$/igm,"[url]$1$2[/url]");
document.getElementById('text').value=str;
}

function addbr()
{
var str=document.getElementById('text').value;
str=str.replace(/\r\n/gm,"\r\n\r\n");
document.getElementById('text').value=str;
}

function html_trans(str) {
str = str.replace(/\r/g,"");
str = str.replace(/on(load|click|dbclick|mouseover|mousedown|mouseup)="[^"]+"/ig,"");
str = str.replace(/]*?>([\w\W]*?)<\/script>/ig,"");
if(set.fontbash.checked)
{
str = str.replace(/]*?display\s*?:\s*?none[^>]*?>([\w\W]*?)<\/span>/ig,"");
str = str.replace(/]*?font\s*?-\s*?size\s*?:\s*(0px|0pt)[^>]*?>([\w\W]*?)<\/span>/ig,"");
str = str.replace(/]+)(0px|0pt)+([^>]*)>([\w\W]*?)<\/font>/ig,"");
}

if(set.filtrate.checked)
{
str = str.replace(/[^<]*<([^>]*?)>[^<]*/ig,"<$1>");
tm=window.textfield.value;
if(tm.length<1){
var arr;
arr=str.match(/播放视频文件在线播放\n");
str = str.replace(/]*?D27CDB6E\-AE6D\-11cf\-96B8\-444553540000[^>]*?>.*]+name\s*=\s*["](url|src)["][^>]+value=[" ]?([^"]+)[" ][^>]*>.*<\/object>/ig,"\nFlash动画在线播放\n");
str = str.replace(/]*type=["]?application\/x\-shockwave\-flash["]?[^>]*src=[" ]?([^"|^ ]+)[" ]?[^>]*>/ig,"\nFlash动画在线播放\n");
str = str.replace(/]*src=["]?([^"|^ ]+)["]?[^>]*type=["]?application\/x\-shockwave\-flash["]?[^>]*>/ig,"\nFlash动画在线播放\n");
str = str.replace(/]*?CFCDAA03\-8BE4\-11cf\-B84B\-0020AFBBCCFA[^>]*?>.*]+name\s*=\s*["](url|src)["][^>]+value=[" ]?([^"]+)[" ][^>]*>.*<\/object>/ig,"\n播放real视频流文件在线播放\n");
}
if(!set.font_b.checked&&!set.stext.checked){
str = str.replace(/<([\/]?)b>/ig,"[$1b]");
str = str.replace(/<([\/]?)strong>/ig,"[$1b]");}
if(!set.font_u.checked&&!set.stext.checked)
str = str.replace(/<([\/]?)u>/ig,"[$1u]");
if(!set.font_i.checked&&!set.stext.checked)
str = str.replace(/<([\/]?)i>/ig,"[$1i]");

str = str.replace(/ /g," ");
str = str.replace(/&/g,"&");
str = str.replace(/"/g,"\"");
str = str.replace(/ str = str.replace(/>/g,">");
}
str = str.replace(/
/ig,"\n");
str = str.replace(/]*?>/ig,"\n\n");
str = str.replace(/<[^>]*?>/g,"");
str = str.replace(/\[url=([^\]]+)\]\n(\[img\]\1\[\/img\])\n\[\/url\]/g,"$2");
str = str.replace(/\n+/g,"\n");

return str;
}
function copycode(obj){
obj.select();
objcopy=obj.createTextRange();
objcopy.execCommand("Copy");
}
function trans(){
var str = "";
rtf.focus();
rtf.document.body.innerHTML = "";
rtf.document.execCommand("paste");
str = rtf.document.body.innerHTML;
if(str.length == 0) {
alert("剪贴版不存在超文本数据！");
return "";
}
return html_trans(str);
}
function preview(){
var prewin=window.open("","","");
prewin.document.write(rtf.document.body.innerHTML);
}
function zhen(str)
{
strfound=str.replace(/\\/ig,"\\\\");
strfound=strfound.replace(/\[/ig,"\\[");
strfound=strfound.replace(/\]/ig,"\\]");
strfound=strfound.replace(/\{/ig,"\\{");
strfound=strfound.replace(/\}/ig,"\\}");
strfound=strfound.replace(/\|/ig,"\\|");
strfound=strfound.replace(/\//ig,"\\/");
strfound=strfound.replace(/\^/ig,"\\^");
strfound=strfound.replace(/\./ig,"\\.");
strfound=strfound.replace(/\*/ig,"\\*");
strfound=strfound.replace(/\?/ig,"\\?");
strfound=strfound.replace(/\+/ig,"\\+");
return strfound;
}
function replace_star()
{
var str=document.getElementById('text').value;
if(!reg.checked)
strfound=zhen(find_text.value);
else
strfound=find_text.value;
var re = new RegExp(strfound,"ig");
str=str.replace(re,replace_text.value);
document.getElementById('text').value=str;
}