/* package whatever; // don't place package name! */
import java.util.*;
import java.lang.*;
import java.io.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
{
final String regex
= "STRING1|STRING2|STRING3"; final String string
= "xxxSTRING1xxxSTRING2xxx";
final Pattern pattern = Pattern.compile(regex);
final Matcher matcher = pattern.matcher(string);
while (matcher.find()) {
System.
out.
println("Full match: " + matcher.
group(0)); for (int i = 1; i <= matcher.groupCount(); i++) {
System.
out.
println("Group " + i
+ ": " + matcher.
group(i
)); }
}
}
}
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