定義變量
nPos1,nPos2:整數;
sub:字符串;
文本:字符串;
str:字符串;
開始
sub:= '-';
text:= ' 12-12345-6 ';
nPos1?:=PosEx(sub,text,1);
nPos2:=PosEx(sub,text,nPos1?+長度?(子));
//show message(inttostr(NPOs 1)+'?'+inttostr(NPOs 2));
str?:=?復制(text,NPOs 1+長度?(sub),NPOs 2-NPOs 1-長度?(子));
show message(str);
結束;