/* package whatever; // don't place package name! */
import java.util.*;
import java.lang.*;
import java.io.*;
import java.util.regex.*;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
{
String abc
= "nama=john; class=6; height=170; weight=70";
Pattern pattern = Pattern.compile("(?<=height=)(\\d+)(?=;|\\\"|\\Z)");
// create matcher object.
Matcher m = pattern.matcher(abc);
if (m.find())
{
System.
out.
println(""+ m.
group(0)); }
else
{
System.
out.
println("not found"); }
}
}
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