/**

 * @output wp-includes/js/wp-sanitize.js

 */

( function () {

	window.wp = window.wp || {};

	/**

	 * wp.sanitize

	 *

	 * Helper functions to sanitize strings.

	 */

	wp.sanitize = {

		/**

		 * Strip HTML tags.

		 *

		 * @param {string} text Text to strip the HTML tags from.

		 *

		 * @return  Stripped text.

		 */

		stripTags: function( text ) {

			text = text || '';

			// Do the replacement.

			var _text = text

					.replace( /<!--[\s\S]*?(-->|$)/g, '' )

					.replace( /<(script|style)[^>]*>[\s\S]*?(<\/\1>|$)/ig, '' )

					.replace( /<\/?[a-z][\s\S]*?(>|$)/ig, '' );

			// If the initial text is not equal to the modified text,

			// do the search-replace again, until there is nothing to be replaced.

			if ( _text !== text ) {

				return wp.sanitize.stripTags( _text );

			}

			// Return the text with stripped tags.

			return _text;

		},

		/**

		 * Strip HTML tags and convert HTML entities.

		 *

		 * @param {string} text Text to strip tags and convert HTML entities.

		 *

		 * @return Sanitized text. False on failure.

		 */

		stripTagsAndEncodeText: function( text ) {

			var _text = wp.sanitize.stripTags( text ),

				textarea = document.createElement( 'textarea' );

			try {

				textarea.textContent = _text;

				_text = wp.sanitize.stripTags( textarea.value );

			} catch ( er ) {}

			return _text;

		}

	};

}() );