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아이피 주소인지 아닌지 체크하는 함수

· 2010-01-07 (목) 16:47:40 · 2777

/*--------------------------------------------------
  INPUT  : toCheck  -> check data
  RETURN : true  -> IP address
           false -> not IP address
----------------------------------------------------*/
function jsCheckIp(toCheck)
{
     var chkstr = toCheck+"" ;
     var isIp = true ;

     if ( jsCheckNull(toCheck) )
          return false;

     for (j = 0 ; isIp && (j < toCheck.length) ; j++)
     {
          if ((toCheck.substring(j,j+1) < "0") || (toCheck.substring(j,j+1) > "9"))
          {
              if ( toCheck.substring(j,j+1) == "." )
                  if ( j == 0 )
                      isIp = false ;
              else
                  isIp = false ;
          }
     }

     return isIp;
}

 
[이 게시물은 관리자님에 의해 2011-10-31 16:57:14 JavaScript에서 이동 됨]
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