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Convert URL to Hyperlink

Posted on 2003-12-02
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Last Modified: 2010-05-18
How can I use str.replace to convert a url in a string to a hyperlink?
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Question by:chrisnetonline
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9 Comments
 
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Expert Comment

by:GwynforWeb
ID: 9862564
You can use this

<script>
URL="http://google.com"
link="<a href='" +URL+"'>" + URL +"</a>"
document.write(link)
</script>

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Author Comment

by:chrisnetonline
ID: 9862604
i need it in the form of a regular expression
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Expert Comment

by:Timbo87
ID: 9862622
Could you please clarify that?
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Accepted Solution

by:
NetGroove earned 0 total points
ID: 9862687
Like this:

<script>

theText="Convert URL http://google.com to Hyperlink http://www.google.com or here."

alert(theText.replace(/(http\:\/\/[\w\.\-\?\!\&\=]+)/g,'<a href="$1">$1</a>'));

</script>



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Author Comment

by:chrisnetonline
ID: 9862688
Such as the php solution that replaces urls in a string with a hyperlink:

ereg_replace("[[:alpha:]]+://[^<>[:space:]]+[[:alnum:]/]","<a href=\"\\0\" target=\"_blank\" title=\"\\0\">link</a>", $str);
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LVL 15

Expert Comment

by:Timbo87
ID: 9862691
<script language="JavaScript" type="text/javascript">

var txt = "Welcome to http://www.google.com"

var lnk = ""
var st = txt.indexOf("http")
for(i=st; i<txt.length;i++)
if(txt.charAt(i)!=" ")lnk += txt.charAt(i)
var URL = "<a href=\"" + lnk + "\">" + lnk + "</a>"
document.write(URL)
</script>
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LVL 15

Expert Comment

by:Timbo87
ID: 9862722
<script language="JavaScript" type="text/javascript">
var txt = "Welcome to http://www.google.com dsd"
var lnk = ""
var i
var st = txt.indexOf("http")
for(i=st; i<txt.length;i++)
if(txt.charAt(i)==" ") break
else lnk += txt.charAt(i)
var URL = "<a href=\"" + lnk + "\">" + lnk + "</a>"
var fp = txt.substring(0,st)
var ep = txt.substring(i,txt.length)
document.write(fp + URL + ep)
</script>
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Author Comment

by:chrisnetonline
ID: 9862729
Thank you soooo much NetGroove
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Expert Comment

by:NetGroove
ID: 9862739
You are welcome :)
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