text box alphanumeric caracters only

Posted on 16th Feb 2014 07:03 pm by admin

hi all!

I have search on google on how to enter in a test box only caracters A-Z,a-z,0-9 using php, but all the solutions are not for me
I need, if you can help me to allow a user to insert only those caracters and with no space at all, like in username field.

Can you please help me with an example?

Thanks!

Your Answer:

Login to answer

Other forums

PHP error. Need help urgently
Hi,

I am programming a php site and have a problem that i just cant find out how to fix. When

Reading waves
Hi,

I am trying to find a way of finding the highs and lows on a graph line, the line points

need help in update query
hi
i have a dynamic form. i need help in how can i use update query when values from dynamic for

Creating a custom API
I'm creating a site, and I need to create a basic API. Unfortunately I have no idea where to start.

Gaining access to Drop Down Menu Variable
code is below, I am creating a drop down menu. I want to echo the value selected in the drop down me

JSON SORT WITH PHP
I have two products that I want to sort by say "Id:17, value: xxx" using php
The page w

Form errors in an array
I'm processing a form and putting the errors in an array. empty($errors) doesn't seem to do the tric

Multiple arrays inside data
Hi,

Simple question. I have a column called "array" in my database, and inserted in

PHP MySQL Return Results Issue
Hi guys,

I'm running joomla and made a module which is using ajax.
Basically i just have a

Just a white page
Okay so, my website, when I click SignUp on it it takes me to /join.php but its a complete white pag