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Check if a string it's json encoded using regular expressions

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Check if a string it's json encoded using regular expressions

Thanks to Jens Anders Bakke for his mootools code published in webfreak.no

http://webfreak.no/wp/2007/09/07/jsontest-for-mootools/

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  1. // Comprueba si una cadena es json o no.
  2. 	// 19/01/2011 Jatubio - http://webfreak.no/wp/2007/09/07/jsontest-for-mootools/
  3. function is_json($string)
  4. {
  5. 	return !empty($string) && is_string($string) && preg_match('/^("(\\.|[^"\\\n\r])*?"|[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t])+?$/',$string);
  6. }

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