This error can occur when copy-pasting math formulas with subtraction signs in them. The sign may be copied as the unicode subtraction sign, "− ... ... <看更多>

You have a few syntax errors in your Apex code. Firstly, the Invalid Character in Identifier errors: Line 13 - Invalid Character in ... ... <看更多>

python showing "SyntaxError: invalid character in identifier" after creating a new python file from vscode #101665. ... <看更多>

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warning: invalid character in Bundle Identifier. This string must be a uniform type identifier (UTI) that contains only alphanumeric (A-Z,a-z,0-9), ... ... <看更多>

warning: invalid character in Bundle Identifier. This string must be a uniform type identifier (UTI) that contains only alphanumeric (A-Z,a-z,0-9), ... ... <看更多>