How can I make input box for name only allow both E and non-E character, not special character on keydown event.
For example: Accept: a â è ㅎ 啊 Deny: . \\ | } ) # +
And also I don't know why:
'.'.charCodeAt(0) = 46 (chrome console)
In my keydown event if I type dot (.)
e.which = 190
if I type dot (.) in numlock keyboard
e.which = 110
so confuse.
Try this. Seems it works fine with jQuery 1.4.2, FF, IE, Chrome.
<script>
$("input").keypress(function (e) {
if (e.which !== 0 &&
!e.ctrlKey && !e.metaKey && !e.altKey) {
alert(String.fromCharCode(e.which));
}
});
</script>
You can use this regex to replace all special characters from String :
String.replace(/[\u0021-\u002e\u003a-\u0040\u005b-\u0060\u007b-\u007e]*/g, "")
Similarly you can use this regex to find if user's entered text matches the regex and return false.
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