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Editorial Team
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Asked: 2026-05-27T20:11:03+00:00

Suppose I have a string which contains an HTML file. How do I get

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Suppose I have a string which contains an HTML file. How do I get the script part only as my sub string?

The example string is :

str="<html>...<script>...</script>...</html>"

I only need the script part. 

<script type = "text/javascript">
function Showques()
{
    var xmlhttp;
    if (window.XMLHttpRequest)
    {
        xmlhttp=new XMLHttpRequest();
    } 
    else 
    {
        xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
    //getting response from servlet
    xmlhttp.onreadystatechange=function();
    {
        if (xmlhttp.readyState==4 && xmlhttp.status==200) 
        {
            var localString=xmlhttp.responseText;
            var locationstart =localString.indexOf('<script>');
            var locationend = localString.indexOf('</script>');
            //eval(xmlhttp.responseText);
            document.getElementById("ques").innerHTML=xmlhttp.responseText;
        }
    }
    xmlhttp.open("POST","XmlApp",true);
    xmlhttp.send();
}
</script>

When I give </script> within indexOf method it’s considering as the end of my script which i declared in the beginning and rest of things I am getting error.

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1 Answer

  1. Editorial Team

    try this from aNd This

     String str = "yourStringTosearch"
 int location = str.indexOf('String');
 string.substring(location , to)

    Ok according to ur example do this

     String str = "<html>...<script>...</script>...</html>"
 int locationStart = str.indexOf('<script>');
 int locationend = str.indexOf('</script>');
 strinf finalString =string.substring(locationStart , locationend );   //ur final string value
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