How do I escape ampersands in XML so they are rendered as entities in HTML

Question

I have some XML text that I wish to render in an HTML page  This text contains an ampersand  which I want to render in its entity representation   amp amp    How do I escape this ampersand in the source XML  I tried  amp amp   but this is decoded as the actual ampersand character   amp    which is invalid in HTML   So I want to escape it in such a way that it will be rendered as  amp amp  in the web page that uses the XML output

User · Accepted Answer

When your XML contains  amp amp amp   this will result in the text  amp amp    When you use that in HTML  that will be rendered as  amp

User · Answer

amp amp  should work just fine  Wikipedia has a List of predefined entities in XML

User · Answer

Use CDATA tags     lt   CDATA     This is some text with ampersands  amp  other funny characters   gt  gt      gt

User · Answer

Consider if your XML looks like below    lt Employees Id  1  Name  ABC  gt     lt Query gt      SELECT   FROM EMP WHERE ID 1 AND RES lt  gt  GCF     lt Query gt   lt  Employees gt    You cannot use the  lt  gt  directly as it throws an error  In that case  you can use  amp  60  amp  62  in replacement of that    lt Employees Id  1  Name  ABC  gt     lt Query gt      SELECT   FROM EMP WHERE ID 1 AND RES  amp  60  amp  62   GCF     lt Query gt   lt  Employees gt    Click here to see all the codes

User · Answer

How about using the unicode  u0026   Works for me in my android XML files   If problems arise  someone let me know

User · Answer

As per   2 4 of the XML 1 0 spec  you should be able to use  amp amp       I tried  amp amp  but this isn t allowed    Are you sure it isn t a different issue  XML explicitly defines this as the way to escape ampersands

User · Answer

I have tried  amp amp  but it didn t work  Based on Wim ten Brink s answer I tried  amp amp amp and it worked    One of my fellow developers suggested me to use   x26  x26  and that worked regardless of how many times it may be rendered

User · Answer

amp amp  is the way to represent an ampersand in most sections of an XML document   If you want to have XML displayed within HTML  you need to first create properly encoded XML  which involves changing  amp  to  amp amp   and then use that to create properly encoded HTML  which involves again changing  amp  to  amp amp    That results in    amp amp amp    For a more thorough explanation of XML encoding  see   What characters do I need to escape in XML documents

User · Answer

The  amp  character is itself an escape character in XML so the solution is to concatenate it and a Unicode decimal equivalent for  amp  thus ensuring that there are no XML parsing errors  That is  replace the character  amp  with  amp  038

User · Answer

lt xsl text disable-output-escaping  yes  gt  amp amp  amp nbsp  lt  xsl text gt  will do the trick

User · Answer

In my case I had to change it to  26   I needed to escape  amp  in a URL  So  amp amp  did not work out for me   The urlencode function changes  amp  to  26  This way neither XML nor the browser URL mechanism complained about the URL

[html] How do I escape ampersands in XML so they are rendered as entities in HTML?

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