It suggests zero or more occurrence of whitespace people, followed by a comma then followed by zero or maybe more event of whitespace people. Nevertheless x.replaceAll("\s+", ""); will be extra productive method of trimming Areas (if string can have many contiguous spaces) mainly because of potentially less no of replacements https://rivernfvlz.theblogfairy.com/30735979/not-known-details-about-mantra-euphoria-gummie