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並前往https://www.generacodice.com/en/articolo/4518994/how-to-replace-a-a-double-back-slashes-in-a-string-with-a-single-back-slash-in-a-ruby-string

how to replace a a double back slashes in a string with a ...

"\a\b\c".gsub!("\\\\","\\"). in ruby strings the backslash is the special first char to start an "escape sequence", therefore:.

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