import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class StringCleaner {
public static void main(String[] args) {
String inputString = "Hello#123, Software Testing Space !Sub@scriber!";
String cleanedString = removeUnwantedCharacters(inputString);
System.out.println("Original String: " + inputString);
System.out.println("Cleaned String: " + cleanedString);
}
// Java method to remove unwanted characters from a string
public static String removeUnwantedCharacters(String input) {
// Define a regular expression to match unwanted characters
String regex = "[^a-zA-Z\\s]"; // Keep only alphanumeric characters and whitespace
// Compile the pattern and create a matcher with the input string
Matcher matcher = Pattern.compile(regex).matcher(input);
// Replace unwanted characters with an empty string
return matcher.replaceAll("");
}
}
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