public class ValidateUtil {
/**
* 1.不能为空
2.长度8-18
3.不能为用户名不能为汉字、字母、数字、下划线以外字符!
* @param toMatcher
* @return
*/
public static boolean checkUserNameOrPassword(String toMatcher){
if(toMatcher == null || toMatcher.trim().length() == 0)
return false ;
String regex = "^[a-zA-Z0-9_\u4e00-\u9fa5]{8,18}" ;
Pattern pattern = Pattern.compile(regex) ;
Matcher matcher = pattern.matcher(toMatcher) ;
return matcher.matches() ;
}
}