My appologies if this ends up being a duplicate post. For some reason the
first post never showed up.
I've tried about 300 iterrations of this same ability, and none of them seem
to work in Firefox. Take the following code for example. It WILL stop me
from entering zero into the first text box, but it wont stop me from
entering extended ascii characters (which is the final goal).
Two items of note:
1) Typing ALT+0156 inputs "o". And strangely enough the statusbar text gets
set to "ALT0moz2 ALT0moz2 ALT0moz2". Only 3 ALT sequences show up when I
actually type 4 characters
2)Im working on a laptop that has no true numpad, so the '0' may be a result
of me having to hold down a special function key in order to enable a numpad
overlay.). So the check for altKey is correctly working, but attempting to
cancel the ALT event fails.
Does anyone know what is wrong with this, or have a working example that
stops ALT keypresses / Extended chars in FIREFOX ?
<script type="text/javascript">
if(document.add EventListener){
document.addEve ntListener("key press", HandleEnterKey, true);
}
else{
document.attach Event("onkeypre ss", HandleEnterKey) ;
}
// Handle the enter key for a section of a form, binding it to the provided
submit buton
function HandleEnterKey( event) {
var nav = window.Event ? true : false;
if (nav) {
return NetscapeEventHa ndler_KeyDown(e vent);
} else {
return MicrosoftEventH andler_KeyDown( );
}
}
function NetscapeEventHa ndler_KeyDown(e ) {
if (e.which == 48) {
window.status = window.status + e.which + "moz1 ";
e.returnValue = false;
e.cancel = true;
e.preventDefaul t();
return false;
} else if (e.altKey) {
window.status = window.status + "ALT" + e.which + "moz2 ";
e.returnValue = false;
e.cancel = true;
e.stopPropagati on();
e.preventDefaul t();
return false;
}
return true;
}
</script>
</head>
<body>
<form action="" id="theForm">
<input type="text" id="i1" name="i1" />
</form>
Sep 17 '05
13  7780 
Thanks! Thats exactly what I was wondering if you could do.
"Mick White" <mw***********@ rochester.rr.co m> wrote in message
news:59******** **********@twis ter.nyroc.rr.co m... Baconbutty wrote: To filter out, you could perhaps filter out from >126 as 127 is unused.
The reg exp woud be:-
var r=/[\x7F-\xFF]*/g;
s=s.replace(r," ");
Good, but this replaces control characters too (\x0 - \x1f )
Mick
Mick White wrote: Baconbutty wrote:
To filter out, you could perhaps filter out from >126 as 127 is unused.
The reg exp woud be:-
var r=/[\x7F-\xFF]*/g;
s=s.replace(r," ");
Good, but this replaces control characters too (\x0 - \x1f )
Mick
Oops, ignore me.
Mick
Just thought I'd post an update. I got keypress filtering working finally.
For onblur handling (to cover paste ops) I ended up using the following.
if(/[\u0080-\uFFFF]+/i.test(targ.val ue)) {
window.status = "FAILED!"
} else {
window.status = "PASSED!"
}
This way higher unicode chars were included. I also opted against replace,
because if for example a person has 1 non-us english character in their
address, and I strip that character out, they may not visually see that its
missing, and it could lead to errors in the data. I am instead going to
alert() them to the error, and focus/select or highlight the offending
field.
Thanks for the help guys! I didnt realise you could regex based on char
code. Just what I needed in this situation. Very helpful!
"Mick White" <mw***********@ rochester.rr.co m> wrote in message
news:59******** **********@twis ter.nyroc.rr.co m... Baconbutty wrote: To filter out, you could perhaps filter out from >126 as 127 is unused.
The reg exp woud be:-
var r=/[\x7F-\xFF]*/g;
s=s.replace(r," ");
Good, but this replaces control characters too (\x0 - \x1f )
Mick
Strike that... I had to switch back to using the hex regex. The unicode
char set isnt layed out how I thought.
"bgbauer70" <us**@sbcglobal .net> wrote in message
news:zv******** *********@newss vr14.news.prodi gy.com... Just thought I'd post an update. I got keypress filtering working
finally.
For onblur handling (to cover paste ops) I ended up using the following.
if(/[\u0080-\uFFFF]+/i.test(targ.val ue)) {
window.status = "FAILED!"
} else {
window.status = "PASSED!"
}
This way higher unicode chars were included. I also opted against
replace, because if for example a person has 1 non-us english character in
their address, and I strip that character out, they may not visually see
that its missing, and it could lead to errors in the data. I am instead
going to alert() them to the error, and focus/select or highlight the
offending field.
Thanks for the help guys! I didnt realise you could regex based on char
code. Just what I needed in this situation. Very helpful!
"Mick White" <mw***********@ rochester.rr.co m> wrote in message
news:59******** **********@twis ter.nyroc.rr.co m... Baconbutty wrote: To filter out, you could perhaps filter out from >126 as 127 is unused.
The reg exp woud be:-
var r=/[\x7F-\xFF]*/g;
s=s.replace(r," ");
Good, but this replaces control characters too (\x0 - \x1f )
Mick
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