This cleaner removes everything that is not a letter, digit or space: punctuation, currency symbols, mathematical operators, box-drawing characters, emoji and the invisible troublemakers that break imports — zero-width spaces (U+200B), non-breaking spaces (U+00A0) and smart quotes pasted from Word. Those hidden characters are the usual cause of a CSV import failing on a row that looks perfectly normal, or of a database key that refuses to match. Run your text through here before importing product names, building filenames or generating identifiers, and you get predictable ASCII-friendly output every time.
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