I'm a bit confused by the logic used (your conditionals are looking for
NOT -, but then the printed statement indicates you were looking for the
-), but anywho ... try these on for size.
if (substr($sString,-1,1)=="-") {
print "You can't have a dash at the end of your string.";
}
if (substr($sString,0,1)=="-") {
print "You can't have a dash at the beginning of your string.";
}
if ((substr($sString,-1,1)=="-") or (substr($sString,0,1)=="-")) {
print "you can't have a dash at the beginning or end of your string.";
}
(They reflect me thinking that you just had a logic mix-up, and I
simplified the call to substr() ... the strlen() was overkill.)
g.luck,
~Chris /"\
\ / September 11, 2001
X We Are All New Yorkers
/ \ rm -rf /bin/laden
On Sat, 20 Oct 2001, Brad Melendy wrote:
> Hello,
> Ok, this works:
>
> if (substr($sString,(strlen($sString)-1)!="-")) {
> print "You can't have a dash at the end of your string.";
> }
>
> and this works:
> if (substr($sString,0,1)!="-") {
> print "You can't have a dash at the beginning of your string.";
> }
>
> But, this doesn't work for any case:
> if ((substr($sString,(strlen($sString)-1)!="-")) or
> (substr($sString,0,1)!="-")) {
> print "you can't have a dash at the beginning or end of your string.";
> }
>
> What could be wrong? I've used a logical OR operator in the middle of an IF
> statement like this before, but for some reason, this just isn't working.
> Anyone got any ideas? I suppose I can just evaluate this with two different
> IF statements, but it seems like I shoud be able to do it in one and reduce
> duplicate code. Thanks very much in advance.
>
> .....Brad
>
>
>
>
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