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import java.util.regex.Matcher;   
import java.util.regex.Pattern;   
  
/**  
 * @author        Der      
 * @date          2006-10-23  
 * @packeage_name regex  
 *   
 */  
public class RegexChk   
{   
  
    public  boolean startCheck(String reg,String string)   
    {   
        boolean tem=false;   
           
        Pattern pattern = Pattern.compile(reg);   
        Matcher matcher=pattern.matcher(string);   
           
        tem=matcher.matches();   
        return tem;   
    }   
       
  
         /**  
     * ¼ìÑéÕûÊý,ÊÊÓÃÓÚÕýÕûÊý¡¢¸ºÕûÊý¡¢0£¬¸ºÕûÊý²»ÄÜÒÔ-0¿ªÍ·,   
          * ÕýÕûÊý²»ÄÜÒÔ0¿ªÍ·  
     *   
     * */  
    public boolean checkNr(String nr)   
    {   
        String reg="^(-?)[1-9]+\\d*|0";   
        return sta


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