======IsXML(text) ======
Category:  Web function

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=====Description=====
This function returns TRUE if the given text is an XML object. Otherwise, it returns FALSE.

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=====Arguments=====
^Argument^Type^Description^
|text  |Text  |The string being tested as an XML object.  |

**Return value type:** Boolean (TRUE/FALSE).

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=====Examples=====

  isxml( 'XML' )  //Returns FALSE

  isxml( '<XML>' )  //Returns FALSE

  isxml( '<XML/>' )  //Returns TRUE

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=====See also=====
  * [[syntax:functions:isemail|IsEmail(email_addr)]]
  * [[syntax:functions:isjson|IsJSON(text)]]
  * [[syntax:functions:xmlvalue|XMLValue(XML_text, XPath)]]