728x90
아스키코드로 검사
string my_string = "1a2b3c4d123";
int answer = 0;
char[] charray = my_string.ToCharArray();
for (int i = 0; i < charray.Length; i++)
{
if (charray[i] > 47 && charray[i] < 58)
answer += (int)char.GetNumericValue(charray[i]);
}
return answer;
728x90