function paste(str, opt_content, opt_rgxp) {
	return str.replace(opt_rgxp || pasteRgxp, function (str, pos) {
		return (opt_content || Escaper.content)[pos];
	});
}
Replaces all found blocks __ESCAPER_QUOT__number_ to real content in a string
and returns a new string

@param {string} str - source string
@param {Array=} [opt_content=Escaper.content] - array of matches
@param {RegExp=} [opt_rgxp] - RegExp for searching, e.g. /__ESCAPER_QUOT__(\d+)_/g
@return {string}