10.08.2012, 18:15
pawn Код:
#pragma unused ret_memcpy
stock isNumeric(const string[])
{
new length=strlen(string);
if (length==0) return false;
for (new i = 0; i < length; i++)
{
if (
(string[i] > '9' || string[i] < '0' && string[i]!='-' && string[i]!='+')
|| (string[i]=='-' && i!=0)
|| (string[i]=='+' && i!=0)
) return false;
}
if (length==1 && (string[0]=='-' || string[0]=='+')) return false;
return true;
}