import java.io.*;
import java.util.regex.*;
class Ideone
{
{
String input
= "ten divide by five equals to two"; Pattern pattern = Pattern.compile("\\b(?:divide by|equals to)\\b|\\w+");
Matcher matcher = pattern.matcher(input);
while (matcher.find()) {
System.
out.
println(matcher.
group(0)); }
}
}
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