>>>Sorry, I'm not following you.
>>>
>>>>
>>>>I meant, 'spacexxxspace' or ',xxxspace' or '.xxxspace' or 'spacexxx,' or 'spacexxx.'
>>
>>
>>Using spaces, dots and commas inside of the literal..
>
>It'll miss xxx at the beginning and the end of text.

For this, we have an expression (knowing in Brazil as "break-branch" or "fat-monkey")

if  right(mytext, len(''xxx'))='xxx'
    * do it again
endif
if  left(mytext, len(''xxx'))='xxx'
    * do it again
endif