It'd be useful to support regex as a column separator about ov HOT 5 CLOSED

Or looking for another good idea.

It's an idea I came up with.

When using regular expressions, enclose them in /. /regexp/.
/[,|;]/ and /[a-z]/ are treated as regular expressions.
Command line options can be enclosed in double quotes. "/[,|;]/"
"/", "/end" and "s/e" are treated as strings.
If you want to treat "//" as a character string, use "\/\/".

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Thank you.
I think this is a good idea.
However, to implement this, we may need to switch between interpreting it as a delimiter and a regular expression.
For example, if ". " as a delimiter, I am not happy with the need for escaping.

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That's very reasonable. I'd think a separate flag would work for a regexp?

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Hmm, maybe I should implement a switch like search...
Or looking for another good idea.

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I created guesswidth to guess the width of the width format.
This gives better results than using /\s+/ for the column-delimiter.
I plan to introduce this to ov as well.

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