![]() On executing the program above, the output is obtained as follows − String newString = str.replaceAll("\\s", "") Now, we will remove all the occurrences of white spaces in the given string using replaceAll() method − The new replaced string is: Next day there won't be a next day after a certain day. The given string is: Next time there won't be a next time after a certain time. ![]() If you compile and run the program above, the output will be displayed as follows − ("The new replaced string is: " + newString) String newString = str.replaceAll("time", "day") replacing all occurrences of "time" to "day" String str = "Next time there won't be a next time after a certain time." In the following example all the occurrences of a word is replaced using replaceAll() method − If you compile and run the above program, it will produce the following result − Regular expression with the given replacement */ * replaces each substring of this string that matches the given String str1 = "!!Tutorials!!Point", str2 The following example shows the usage of Java String replaceAll() method by replacing the meta characters as given in the regular expression − This method returns the resulting string. Replacement − This is the string to be substituted for each match. ![]() Regex − This is the regular expression to which this string is to be matched. Public String replaceAll(String regex, String replacement) Syntaxįollowing is the syntax for Java String replaceAll() method − Note: Be aware that if the replacement string contains dollar signs ($) or backslashes (\), the results might not be the same as they would be if they were handled as literal replacement strings. ![]() Whereas the replace() method replaces a String. The only difference between the replaceAll() method and the replace() method is that the replaceAll() method replaces a pattern (using regex). This method accepts a regular expression and a replacement string as parameters, searches the current string for the given regex and replaces the matched substrings with given replacement string. The Java String replaceAll() method is used to replace all the occurrences of a particular pattern in a String object with the given value. ![]()
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