#713 URL format reviewed:

- more formats allowed by default
- aligned between the wiki formatting and the URL attribute
- configurable globally with 'url_validation_pattern'
- can be defined at the attribute level with tag validation_pattern


SVN:trunk[2730]

core/config.class.inc.php

@@ -606,6 +606,17 @@ class Config
 			'source_of_value' => '',
 			'show_in_conf_sample' => false,
 		),
+		'url_validation_pattern' => array(
+			'type' => 'string',
+			'description' => 'Regular expression to validate/detect the format of an URL (URL attributes and Wiki formatting for Text attributes)',
+			'default' => '(https?|ftp)\://([a-zA-Z0-9+!*(),;?&=\$_.-]+(\:[a-zA-Z0-9+!*(),;?&=\$_.-]+)?@)?([a-zA-Z0-9-.]{3,})(\:[0-9]{2,5})?(/([a-zA-Z0-9+\$_-]\.?)+)*/?(\?[a-zA-Z+&\$_.-][a-zA-Z0-9;:[\]@&%=+/\$_.-]*)?(#[a-zA-Z_.-][a-zA-Z0-9+\$_.-]*)?',
+			//            SHEME.......... USER....................... PASSWORD.......................... HOST/IP........... PORT.......... PATH....................... GET......................................... ANCHOR............................
+			// Example: http://User:passWord@127.0.0.1:8888/patH/Page.php?arrayArgument[2]=something:blah20#myAnchor
+			// Origin of this regexp: http://www.php.net/manual/fr/function.preg-match.php#93824
+			'value' => '',
+			'source_of_value' => '',
+			'show_in_conf_sample' => true,
+		),
 	);
 
 	public function IsProperty($sPropCode)