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8825 :: Unescape string

• Patitotective (orginal) [2022-01-19T00:44:28+01:00] view original

  I'm writing a parser and all the strings I get are escaped (\\), so I want to convert it (e.g. "\\n") into it's actual escaped sequence representation (which is "\n" or more precisely "\10").

  Hard-coding I've came up with multiReplace "\\n" with "\n", and so on.

  Here's the code: https://play.nim-lang.org/#ix=3MIL.

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• PMunch (orginal) [2022-01-19T09:08:00+01:00] view original

  Have you tried unescape from the same module as multiReplace?

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• kobi (orginal) [2022-01-19T10:44:50+01:00] view original

  btw, how do I unescape all html entities to utf8 in a large text?

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• Patitotective (orginal) [2022-01-19T14:57:29+01:00] view original

  It doesn't actually work. https://play.nim-lang.org/#ix=3MLT

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• konradmb (orginal) [2022-01-19T16:26:08+01:00] view original

  It won't work this way: https://github.com/nim-lang/Nim/issues/18268

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• Patitotective (orginal) [2022-01-19T16:36:00+01:00] view original

  So, there is no easy solution? is multiReplace my best option?

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• enthus1ast (orginal) [2022-01-20T16:47:59+01:00] view original

  I can imagine that the best way would be to use the string parsing features of the nim compiler itself. So you could get the same features. But I cannot help to do it

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• Araq (orginal) [2022-01-20T18:17:20+01:00] view original

  What do you mean by "easy solution"? If you write a "parser", that's part of its job, to handle escape sequences. It's by no means the hardest part of writing a parser.

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• Patitotective (orginal) [2022-01-22T18:43:36+01:00] view original

  Finally, here's my solution: https://play.nim-lang.org/#ix=3N9x

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