Skip to content When you recover textual content from the disk or from the network, you may expect it to be a Unicode string in UTF-8. It is the most common format. Unfortunately, not all sequences of bytes are valid UTF-8 and accepting invalid UTF-8 without validating it is a security risk. How might you validate a UTF-8 string in a JavaScript runtime? You might use the valid-8 module: import valid8 from "valid-8"; if(!valid8(file_content)) { console.log("not UTF-8"); } Another recommended appr...