The 's' replaces a single space match at any given time although the 's+' replaces the whole House sequence directly with the 2nd parameter. In such a case, it makes no big difference, since you are replacing every little thing using an empty string (Though It might be far better https://elliotnqmdu.activosblog.com/30611965/how-much-you-need-to-expect-you-ll-pay-for-a-good-mantra-mushroom-chocolate-bars