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

How to use Ajax to verify data on a DB ?
Hello everyone, well i want to know how to check a value if it exists or not on a Data base and capt

Why is the logic of this simple code not working?
Hey, I'm trying to determine if a table already exists in mysql, but doing a query first with mysql_

UL and LI Add Form
The idea I want here is when the user click on a character name from the drop down select bar at the

Help with simple query
Hi,

I'm trying to do a Query with a Union where I want to print the number of rows $tc conta

LSB (PHP 5.3) problem with static value!
hello,

i'm having a problem. static::$text variable gets lost at some point. can someone plea

How to make URL loads only on login
On my page, when a user login he's redirects to user_home.php. I made it also to open the chat scree

Curl & sessions PLS HELP
Hello,

I have a problem with curl and sessions and i will try to explain the best i could.

Get keys and values from an array
Hellow,

I have an array $Data with keys and values. With a foreach I can display all the valu

Multi-image upload problems
Lets see if I can get some help on this one. Can anyone show me what I am doing wrong here. I'm just

Table control is disappearing from Screen
Hi Experts,

I have a screen with multiple table control(TC). Each table control has two c