Replace Special Character/Number In A Word

Hello,

How can i replace special characters that is from a array in a word.
I want to control the special character that will be replaced.

Example:
Th1s is a ex@mpl3 @ #1
to
This is a example @ #1

Thanks for your help.

Simmer

 

str_replace would do.
$some_str = str_replace( array('1','@','3'), array('i','a','e'), $some_str);

 

Here $some_str is a variable
Exact one

 

This changes also a 1 t=> i when it's not in a word.

Wrong:
Th1s i$ p@rt 1

Correct:
This is part 1

 

use regular expressions http://www.regular-expressions.info/php.html

 

Regular expressions don't make any sence to me, php beginner here.

 

okay, it's a long process but it should work like:

you also need a rule for an email if needed