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Re^7: Find pieces of text in a file enclosed by `@` and replace the inside

by bart (Canon)
on Mar 30, 2013 at 08:34 UTC ( #1026252=note: print w/ replies, xml ) Need Help??


in reply to Re^6: Find pieces of text in a file enclosed by `@` and replace the inside
in thread Find pieces of text in a file enclosed by `@` and replace the inside

Well I was thinking something along these lines:

s<\@(.*?)\@>{ length $1 ? subst($1) : '@' }ge;
Whether this is sufficient depends on whether the string it matches and replaces, must be able to contain a '@'. Well, you can write strings like "blah blah @foo@@@@bar@ blah" where both "foo" and "bar will get the special treatment, and the "@@" in the middle of the quadruple will be replaced by a single "@". I guess that will probably suffice.


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