Are you using (?:^|\W) and (?:$|\W) instead of \b to get around the fact that in Skyfeed \b considers extended Latin characters to be word boundaries? Eg: /\bbcd\b/ will match the “bcd” in “âbcdẽ.”

Not intentionally. RegEx isn't my strong suit. I just found a pattern that worked and kept duplicating it. I know I could do something fancy and wrap several of those into one statement, but sometimes crude works so there's no point in elegant.