java replace all instances of a character in a string code example
Example 1: replaceall in java
public class ReplaceAllExample{
public static void main(String args[]){
String s1="Google is a very good website";
String replaceString=s1.replaceAll("a","e");//replaces all occurrences of "a" to "e"
System.out.println(replaceString);
}}
Example 2: java replaceall single character
.replaceAll("(?<!\\S)[^ ](?!\\S)", " ").trim()