It claims zero or even more event of whitespace characters, accompanied by a comma after which you can followed by zero or more incidence of whitespace figures. Even so x.replaceAll("\s+", ""); will likely be a lot more efficient strategy for trimming spaces (if string might have several contiguous Areas) due https://mantrabarseuphoriabar42085.bloguerosa.com/30547852/mantra-mushroom-gummies-no-further-a-mystery