There's a better way to find those hidden special characters than digging through forums or writing fragile formulas. The question posted by mowenby69, how to mark or find non-alphanumeric characters like ¢, Â, ™, and the rest, is one of the most common frustrations in spreadsheet work. And the standard answers, while functional, reveal how much time people waste on tasks that should be invisible.
The problem isn't the characters themselves. It's that traditional spreadsheets force you to hunt them down manually or build complex conditional formatting rules that break when your data changes. You end up with a patchwork of workarounds instead of a clean, reliable dataset. That's not a failure of effort. It's a failure of the tool.
What mowenby69 is really asking for is a way to trust their data again. Every odd symbol hiding in a cell represents a risk, a broken import, a failed merge, a report that doesn't add up. The standard advice (use ISNUMBER, SEARCH, or a custom formula) works, but it's slow and fragile. It treats the symptom instead of the underlying need: a spreadsheet that can surface anomalies on its own, without requiring the user to become a formula expert.
An AI-native approach flips this. Instead of asking you to build a detection rule, it learns what normal data looks like and flags what doesn't belong. The same intelligence that can clean a thousand rows in seconds can also explain why a character appeared and suggest how to handle it. The result isn't just cleaner data, it's confidence. You stop wondering what's hiding in your cells and start working with the information that matters.
The takeaway is direct: you shouldn't have to be a spreadsheet detective to get clean data. If your current tool makes you hunt for hidden characters, it's not you, it's the tool. The solution isn't a better formula. It's a smarter foundation.