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A Matcher examines the results of applying a pattern.
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import java.util.regex.*;
public class FindA{
public static void main(String args[])
throws Exception{
String candidate =
"A Matcher examines the results of applying a pattern.";
String regex = "\\ba\\w*\\b";
Pattern p = Pattern.compile(regex);
Matcher m = p.matcher(candidate);
String val = null;
System.out.println("INPUT: " + candidate);
System.out.println("REGEX: " + regex +"\r\n");
while (m.find()){
val = m.group();
System.out.println("MATCH: " + val);
}
if (val == null) {
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