remove non alpha characters from string

[poe]

lets say i have these 3 values in an array:

 

Bath & Body

Handbags

Home Accents

 

i want to remove all non alpha characters like ' '(space) and the '&'(amp sign) and replace with a single '_' (underscore). regardless of how many characters i remove i want to replace with just 1 '_'

 

so my example would look like:

 

Bath_Body

Handbags

Home_Accents

[corbin]

$string = 'Bath & Body';

echo preg_replace('/[^a-zA-Z0-9]+/', '_', $str);

 

Try that.

[pocobueno1388]

<?php

$string = "Home Accents";
$new_string = preg_replace("/[^a-zA-Z0-9s]/", "_", $string);
echo $new_string

?>

 

I was beat to it, but if that one doesn't work, here is another example.

 

[corbin]

pocobueno, I'm pretty bad at regular expressions, so there's a great chance I'm wrong, but I think that would just replace each non alpha numeric character with _.... Meaning Bath & Body would be Bath___Body.

 

Also, what's with the s?  Once again, I'm terrible at regular expressions x.x

[pocobueno1388]

pocobueno, I'm pretty bad at regular expressions, so there's a great chance I'm wrong, but I think that would just replace each non alpha numeric character with _.... Meaning Bath & Body would be Bath___Body.

 

Also, what's with the s?  Once again, I'm terrible at regular expressions x.x

 

I didn't do that regular expression myself, I found it on a site and tested it. I'm pretty sure the "s" is for white spaces though.

 

Ah, your right about it returning "Bath___Body". I didn't take into account this part of the post: "regardless of how many characters i remove i want to replace with just 1 '_'".