获取url路径的正则

package unit;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Util {
    // 获取url路径的正则
    private static final String URL_REG = "<a .* href=.*[^.exe.*]</a>";
            
    /**
     * 正则表达式获取链接
     * @return
     */
    public String getHref(String str) {
        Pattern pattern = Pattern.compile(URL_REG);
        Matcher matcher = pattern.matcher(str);
        if (matcher.find())
            return matcher.group(0);
        return null;
    }
}