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... s+`: This matches one or more whitespace characters (including spaces, tabs, and newlines).
2. `\.`: This matches a literal dot (period). The backslash is used to escape the dot, as a dot normally has a special meaning in regex.
3. `\w`: This matches any word character (letters, digits, or ...

Dear Otto,
I think \n leads to an error because the backslash is an escape character in javascript.
according to chatgpt ... when used in a string, the \ expects to be followed by another character to form the escape sequence.
So \\n is needed in this case I suppose.
kind regards
ruth

Only a backslash