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  On 4/24/2018 at 11:51 AM, DOKI4ever said:

 

Hello,

I have the same problem, did anyone solve it? Y tried to change the Validate.php, but not all the codes get saved.

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works for me for space and special characters 

add in this code each characters you want to allow with \

example you want allow ()   put  \(  

like 

/classes/Validate.php 

return !$upc || preg_match('/^[a-zA-Z 0-9-\(\)-]{0,64}$/', $upc);

/www/admin/themes/default/template/controllers/products/informations.tpl

<input maxlength="64" type="text" id="upc" name="upc" value="{$product->upc|escape:'html':'UTF-8'}" />

/public_html/themes/default-bootstrap/product.tpl 

insert wher your want to see UPC

<div id="product_upc"{if empty($product->upc) || !$product->upc} style="display: none;"{/if}>
				<label> <i class="fas fa-industry" aria-hidden="true"></I> {l s='UPC:'} </label>
				<span class="editable" itemprop="upc"{if !empty($product->upc) && $product->upc} content="{$product->upc}"{/if}>{if !isset($groups)}{$product->upc|escape:'html':'UTF-8'}{/if}</span>