The 's' replaces a single space match at any given time nevertheless the 's+' replaces The entire space sequence without delay with the second parameter. On the other hand x.replaceAll("\s+", ""); is going to be a lot more effective technique for trimming spaces (if string may have several contiguous Areas) https://mantra-chocolate-bars09737.ziblogs.com/31426758/new-step-by-step-map-for-s