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replace option for \E and \Q in regex

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Tuncay n-l-i mobile

Post subject: replace option for \E and \Q in regex

Posted: November 17th, 2009, 2:29 pm

Is it possible to add an option to RegEx-Functions where the the \Q and \E sequences replaceable with user defined character sequences? This would be useful to have a more secure pattern if the part of the pattern must be literal, but in a variable with a content consisting a set ne undefined characters. In example: files\Example ... And later \Q and so on.
Example
Original: "\QE)" \ begin end
Changed: "\;¤)"

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temp01

Post subject:

Posted: November 17th, 2009, 3:24 pm

Joined: July 9th, 2009, 9:25 pm
Posts: 120

You could just replace the special characters with StringReplace or RegExReplace e.g.

Code:

str = files\Example ... And later \Q and so on.
regex = files\Example

msgbox, % RegExReplace(str, "\Q" RegExReplace(regex, "\\E", "\E\\E\Q") "\E")
; or
msgbox, % RegExReplace(str, RegExReplace(regex, "[\\.*?+[{|()^$]", "\$0"))

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Tuncay

Post subject:

Posted: November 17th, 2009, 3:47 pm

Joined: November 7th, 2006, 9:47 pm
Posts: 1934
Location: Germany

I know this. It is possible to make several checks, but this slows down a bit and it is still not that sure.

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