/*
* JS正则表达式类
* 例：
* var str="aaaa< /a >
你好";
* var reg=new RegExps();
* var s=reg.GetTag(str,'img');
* alert(reg.GetAttrib(s[0],'alt'));
* alert(reg.Is('.*',"b"));
* var as=reg.Get(str,"");
* alert(reg.GetTagName(str,new Array('html','body','script'),0));
* alert(reg.getElememtById(str,'abcd'));
*/
//JS正则表达式类====================//
/* 方法列表 */
//=================================//
/* GetTag(string,tag); */
//=================================//
/* GetTagName(str,new Array(),0)*/
//=================================//
/* getElememtById(string,id); */
//=================================//
/* GetAttrib(string,Attrib); */
//=================================//
/* Get(string,start,end); */
//=================================//
/* GetText(string); */
//=================================//
/* ClsHtml(string); */
//=================================//
/* ClsScript(string); */
//=================================//
/* ClsCss(string); */
//=================================//
/* FindString(string,str); */
//=================================//
/* Is(str,string); */
//=================================//
function RegExps(){
this.GetTag=function(string,tag){
if(tag.toLowerCase()=='img')
var regexp=new RegExp("\<"+tag+"(.*?)\>","gi");
else
var regexp=new RegExp("\<"+tag+"(.*?)\>(.*?)\<(.*?)\/"+tag+"(.*?)\>","gi");
var tags= string.match(regexp);
if(tags==null)
return new Array("");
else
return tags;
}
this.GetTagName=function(string,name,id){
if(string==null || name==null)return false;
var strings=new Array(string);
if(typeof(name)=="object"){
for(var i=0;i]*?) id=('| |\")"+id+"('| |\")(.*?)>)","gi");
var strings=string.match(regexp);
if(strings!=null){
var tagObject=strings[0];
regexp=new RegExp("[^< ]* ","gi");
strings=strings[0].match(regexp);
if(strings==null)
return null;
else{
strings[0]=strings[0].replace(/^( | )*/,'');
strings[0]=strings[0].replace(/( | )*$/,'');
if(strings[0].toLowerCase()=='img'){
strings[0]=tagObject;
}
else{
regexp=new RegExp("(<([^>]*?) id=('| |\")"+id+"('| |\")(.*?)>(.*?)<(.*?)/"+strings[0]+"(.*?)>)","gi");
strings=string.match(regexp);
}
if(strings==null)
return null;
else
return strings[0];
}
}
}
this.GetAttrib=function(string,Attrib){
var regexp=new RegExp(" "+Attrib+"=(.*?)( |\>|/\>)","gi");
var Attribs=string.match(regexp);
if(Attribs!=null){
regexp=new RegExp("(^ "+Attrib+"=)","gi");
Attribs[0]=Attribs[0].replace(regexp,'');
Attribs[0]=Attribs[0].replace(/( | |'|"| >| >|'>|">| \/>| \/>|'\/>|"\/>)*$/,'');
Attribs[0]=Attribs[0].replace(/^( | |'|")*/,'');
return Attribs[0];
}
}
this.Get=function(string,start,end){
var regexp=new RegExp(start+"(.*?)"+end,"g");
var strings=string.match(regexp);
if(strings!=null){
for(var i=0;i)/gi,'');
}
this.ClsScript=function(string){
return string.replace(/\