# Can you restrict the ^ character?

**URL:** https://forum.kirupa.com/t/can-you-restrict-the-character/250748
**Category:** flash
**Created:** [February 1, 2008, 1:13am UTC](https://forum.kirupa.com/t/can-you-restrict-the-character/250748 "2008-02-01T01:13:51Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![Bodom78](https://avatars.discourse-cdn.com/v4/letter/b/aca169/32.png) [@Bodom78](https://forum.kirupa.com/u/Bodom78)
#### Post date: [February 1, 2008, 1:13am UTC](https://forum.kirupa.com/t/can-you-restrict-the-character/250748/1 "2008-02-01T01:13:51Z")

</div>

As the title says, I have a normal input text field and would like just alphanumeric characters to be entered.

I use the code below, however it still allows the “^” character to be entered.

```php
input_txt.restrict = "A-z0-9";

```