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

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=====Description=====
This function returns TRUE if the argument can be parsed as a JSON object or JSON array. Otherwise, it returns FALSE.

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=====Arguments=====
^Argument^Type^Description^
|text  |Text  |The string being tested as JSON or a JSON object .  |

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

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=====Examples=====

  isjson( '{}' )  //Returns TRUE

  isjson( 'JSON' )  //Returns FALSE

  isjson( 'a:{b:1}' )  //Returns FALSE

  isjson( '{a:{b:1}}' )  //Returns TRUE

  isjson( '1,"a"' )  //Returns FALSE

  isjson( '[1,"a"]' )  //Returns TRUE

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=====See also=====
  * [[syntax:functions:isemail|IsEmail(email_addr)]]
  * [[syntax:functions:isxml|IsXML(text)]]