What is regex for blank line in Julia?

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What is regular expression for Blank Line in Julia?

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I found this regular expression r"^(?:[\t ]*(?:\r?\n|\r))+"m for blank line. Please write other easy alternatives if you know. :parachute:

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This may no answer your question, but this website regex101: build, test, and debug regex, is very useful to test regex expressions.

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I would use r"^$" to find empty lines, and r"^\s*$" to include non-empty lines that contain only whitespace.

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