Hi all - I would like to use a single quote in the PRXCHANGE function as follows:   new_text_field = PRXCHANGE('s/([A-Z]\w+)(?=s)/$1\'/',-1,text_field);   But the above returns an error. It doesn't like that single quote in the pink section. I know these are a pain to read but this would ideally scan text for words that end in 's' and replace them so that they end in 's basically making them possessive. This works if I use a dash instead of a single quote.   Any idea how to make it accept the single quote? ... View more