The 's' replaces 1 Area match at any given time although the 's+' replaces The entire House sequence directly with the second parameter. In this case, it helps make no variation, since you are replacing every thing with the empty string (although it would be better to use \s+ from https://mantranootropicbar54197.dm-blog.com/31426467/facts-about-mantra-euphoria-gummie-revealed