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In a web based form I am able to make sure that there is text in an input field but I want to restrict the user from using such characters as ~
# & '

How can I modify this JavaScript below to enable this ?

if (document.form1.ProjectTitle.value == ""){
alert("Please complete the Project Title: field")
document.form1.ProjectTitle.focus()
validFlag = false
return validFlag
}

When entering the project title into another system it issues an error when those characters are input - hence the need to delete them from the
request

Kindest Regards - Philip Amey

In article <>,
enlightened us with...
> In a web based form I am able to make sure that there is text in an input field but I want to restrict the user from using such characters as ~
> # & '
>
> How can I modify this JavaScript below to enable this ?
>
> if (document.form1.ProjectTitle.value == ""){
> alert("Please complete the Project Title: field")
> document.form1.ProjectTitle.focus()
> validFlag = false
> return validFlag
> }
>
> When entering the project title into another system it issues an error when those characters are input - hence the need to delete them from the
> request
>
> Kindest Regards - Philip Amey
>
>
>
>

Here's my function. Modify it to include the characters you like.
Characters listed in the variable "re" are ALLOWED.

function checkAlphanumSpecial(strObject)
{
/* Returns true if the field has all alphanumeric characters and some
special chars,
plus whitespace, false if not.
You must pass in a input (text) object, not the value. */
var re = /^[A-Za-z0-9,.)]+$/;

if (!strObject || isBlank(strObject)) return false;
if (!re.test(strObject.value)) return false;
else return true;
}

if (!checkAlphanumSpecial(document.form1.ProjectTitle )){

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