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function test(s)
{
var patrn=/^\\d+[\\*]\\d+$/;
if (!patrn.exec(s)) return false
return true
}
package com.xuz.csdn.worldcup.day11;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class RegexTest {
public static void main(String[] args) {
System.out.println(roadClassFormat("800*600"));
System.out.println(roadClassFormat("1024*768"));
System.out.println(roadClassFormat("100"));
}
private static boolean roadClassFormat(String roadClass_param) {
String regex = "^\\d{3,4}[\\*]\\d{3,4}$";
Pattern p = Pattern.compile(regex);
Matcher m = p.matcher(roadClass_param);
if (m.matches()) {
return true;
}
return false;
}
}