import java.util.*;
import java.lang.*;
import java.io.*;
import java.util.regex.*;
class Ideone
{
{
Pattern p = Pattern.compile("(?<=\\bpid=)\\d+(?=&|$)");
Matcher m = p.matcher("/life-is-what-you-make-it/dask23442knk24?pid=9788129124913&ref=9090912adqeqeqeqeq");
if (m.find()) {
System.
out.
println(m.
group(0)); }
}
}
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