It states zero or more occurrence of whitespace people, followed by a comma then followed by zero or maybe more event of whitespace characters. In this instance, it helps make no variation, since you are replacing every thing with the empty string (Even though it would be better to make https://mantra-mushroom-chocolate97531.blogadvize.com/38397299/not-known-factual-statements-about-mantra-mushroom-chocolate-bars