Drupal commerce price field settings? I've set GBP as my default and only enabled currency.

I have an exposed filter on my view so users can enter a maximum price. Say the user enters 300 the filter works and displays only items that go up to £300. The same for it the user entered 300.00 - it works.

However, when the user enters 300,000, i think Drupal is thinking of the comma as a decimal, so it thinks 300,000 and 300,00 means 300 and so my view shows results over 300 and up to 300 thousand.

Can I fix this, if so how?
Thanks for reading
'300,000' isn't a number, it's a string. If you run

print (int) '300,000';


You'll get "300" as the response. '300.00' is a number, which is why it's treated as one.

So your issue isn't with Drupal Commerce, rather PHP and your users' input.

You'll need to implement some validation to correct your users' input before Commerce uses it. You can either do this by adding an extra validation function to the form using hook_form_alter(), or with some simple Javascript attached to the input box(es).