How to match a white space equivalent using Java RegEx?.How to replace multiple spaces with a single space in C#?.String result = input.replaceAll(regex, " ") Replacing the pattern with single space Hello this is a sample text with irregular spaces Example 2 import Hello this is a sample text with irregular spaces
("Text after removing unwanted spaces: \n"+result) Replacing all space characters with single space Matcher matcher = pattern.matcher(input) Match the input string with the above regular expression and replace the results with single space “ ”.
Therefore, to replace multiple spaces with a single space. The metacharacter “\s” matches spaces and + indicates the occurrence of the spaces one or more times, therefore, the regular expression \S+ matches all the space characters (single or multiple).
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