val char




JavaScript Source Code 3000: Forms: Validation (Character)








































Validation (Character)







Automatically removes specified characters from input box. Good for fields that require only text/number inputs. Easily modified to accept only text or only numerals.




(Try entering characters other than A-Z and 0 - 9.)









JavaScript Source Code 3000: Forms: Validation (Character)
Simply click inside the window below, use your cursor to highlight the script, and copy (type Control-c or Apple-c) the script into a new file in your text editor (such as Note Pad or Simple Text) and save (Control-s or Command-s). The script is yours!!!





    





<!-- TWO STEPS TO INSTALL VALIDATION (CHARACTER):

1. Copy the coding into the HEAD of your HTML document
2. Add the last code into the BODY of your HTML document -->

<!-- STEP ONE: Paste this code into the HEAD of your HTML document -->

<HEAD>

<SCRIPT LANGUAGE="JavaScript">
<!-- Original: Mikhail Esteves (miks80@yahoo.com) -->
<!-- Web Site: http://www.freebox.com/jackol -->

<! >
<! >

<!-- Begin
var mikExp = /[$\\@\\\#%\^\&\*\(\)\[\]\+\_\{\}\`\~\=\|]/;
function dodacheck(val) {
var strPass = val.value;
var strLength = strPass.length;
var lchar = val.value.charAt((strLength) - 1);
if(lchar.search(mikExp) != -1) {
var tst = val.value.substring(0, (strLength) - 1);
val.value = tst;
}
}
function doanothercheck(form) {
if(form.value.length < 1) {
alert("Please enter something.");
return false;
}
if(form.value.search(mikExp) == -1) {
alert("Correct Input");
return false;
}
else {
alert("Sorry, but the following characters\n\r\n\r@ $ % ^ & * # ( ) [ ] \\ { + } ` ~ = | \n\r\n\rare not allowed!\n");
form.select();
form.focus();
return false;
}
alert("Correct Input");
return false;
}
// End -->
</script>

</HEAD>

<!-- STEP TWO: Copy this code into the BODY of your HTML document -->

<BODY>

<form name=xyz onSubmit="return doanothercheck(this.txtTerm);">
<input type="text" name="txtTerm" size="35" maxlength="50" value="" onKeyUp="javascript:dodacheck(xyz.txtTerm);">
<br>
<input type=submit value=Check>
</form>



<!-- Script Size: 1.72 KB -->











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