IS NOT A FUCKING WORD.
You either mean:
Regardless: Without paying attention to the present situation; despite the prevailing circumstances
Irrespective: Not taking (something) into account;
If you add 'ir-' on to 'regardless' do you know what you fucking get?
THE EXACT OPPOSITE OF WHAT YOU’RE TRYING TO SAY. The suffix ‘-less’ is already negative, so when you add the negative prefix 'ir-' to the word, they basically cancel each other out.
So, you’re essentially saying that something is not regardless, or was not treated without regard, therefore it was treated with regard. Notice how thats the exact opposite definition of the words you actually mean, and the exact opposite of the point you’re trying to make?
Do you see that?