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how to escape the underscore in a link

Posted on 2010-08-12
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Last Modified: 2012-05-10
Hello,

I'm building a link that has an encrypted key that we generate and that key can include the underscore character.  I'm using the below link to post to some social sites and when the user clicks the link it strips off the "_".  Any ideas on how to escape this or how to build the link so that the "_" is included in the users request?

http://mysite/EDG_
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Question by:cgray1223
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4 Comments
 
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Expert Comment

by:earthsound
ID: 33421529
In HTML, the escape code for underscore is _
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Expert Comment

by:boboudreau
ID: 33421583
You can try replacing the underscore with the unicode equivalent (perhaps they don't check for this value).

Any of these should work:

&#000005F
&#00005F
&#0005F
&#005F
&#05F
&#5F

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Author Comment

by:cgray1223
ID: 33422574
maybe it's a facebook issue as other social sites handle it, but when I paste in http://linkcontextroot/EM6_;  the escape code doesn't get converted to the _.  I need the _ to be interpreted as a _.  I tried the Unicodes as well
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Accepted Solution

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boboudreau earned 2000 total points
ID: 33422724
Can you try to handle this instead on your server?  I.e., if facebook won't change &#95 or &#005F, can you decrypt those into ASCII before using that string as a key for your web application?
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