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Well, there are several options.
  • Use a different set of delimiters to mark your sections something that cannot occur in real live data, as opposed to using "@" for a delimiter.
  • Have strict rules about what can be between "@", for example: allow just letters. That way you can safely distinguish between an email address and a marked section, as both parts of an email address will most likely either contain non-word characters, or you write at least one non-letter character right right next to it, you probably won't ever write an email address touching another word.
  • Find a way to escape the "@" character, for example "\@" could represent a "@", but then you need to escape the backslash too: "\\". Or, and this is possibly simpler: let "@@" represent a single "@". Ooh, I like that.

In reply to Re^5: Find pieces of text in a file enclosed by `@` and replace the inside by bart
in thread Find pieces of text in a file enclosed by `@` and replace the inside by kluther

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