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In this Java tutorial we will see Java program to remove all white space from String For removing all white space we have used regular expression along with To eliminate spaces at the beginning and at the end of the String, use String#trim() method. And then use your mytext.replaceAll("( )+", " ") . You can first use String.trim() , and then apply the regex replace command on the result. <space>(?= ) matches a space character which is followed by another space character. To remove whitespace from the beginning and end of a string (but not the interior) : String Replace « Data Type « Java Tutorial. a = a.replaceAll("\s",""); In the context of a regex, \s will remove anything that is a space character (including space, tab characters etc). You need to escape the backslash in Java so the regex turns into \s . 23 Jul 2008 How to remove Whitespace between String – Java. By mkyong | July 23, . 10 Java Regular Expression Examples You Should Know. 160k. Java Regular Expression Programming Examples How to remove whitespaces : A beginner's tutorial containing complete knowledge of Java Syntax Object How to write a regex to remove spaces in Java? For example how to check in an if statement that a String contains only spaces (any number 15 Oct 2016 Today I needed a Java method to remove all the blank characters from Because the String class replaceAll method takes a regex, you can replace much should return a new String with all whitespace characters removed: It also provides several Java regular expression examples. . Removes whitespace between a word character and . or , String pattern = "(\w)(\s+)([\.,])";
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