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Re: RegExp this'n that [message #50079 is a reply to message #47047]

Sun, 15 July 2018 23:09

luoganda is currently offline

luoganda
Messages: 197
Registered: November 2016

Experienced Member

This does not match, but it's taken directly from pcre 8.xx manual.
It matches correctly on many pcreCompatibleOnlinePages,eg this one regexr, if testing - don't forget to check pcre there in right-upper corner and to use single '\' if copying down pattern.
Also, subfunc of Match func in this case produces an error(pcre_exec returns -5 which is PCRE_ERROR_UNKNOWN_OPCODE), but it's not cought by upp, that is - error funcs doesn't know about it, a silent error.
This should match a balanced '(...abc(...)abc...)' pattern.

String s="(abc)";
RegExp re("\\(([^()]++|(?R))*\\)");
if(re.Match(s))PromptOK("\1Matches");
if(re.IsError())PromptOK(String("\1RegExpErr: ")<<re.GetError());

Anyone has some idea why this is so?

[Updated on: Sun, 15 July 2018 23:20]

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[Message index]

		RegExp this'n that By: luoganda on Sun, 20 November 2016 16:30
		Re: RegExp this'n that By: luoganda on Wed, 23 November 2016 10:37
		Re: RegExp this'n that By: mirek on Sun, 27 November 2016 20:09
		Re: RegExp this'n that By: luoganda on Sun, 04 December 2016 14:45
		Re: RegExp this'n that By: luoganda on Sun, 25 December 2016 18:02
		Re: RegExp this'n that By: mirek on Wed, 28 December 2016 17:05
		Re: RegExp this'n that By: luoganda on Fri, 06 January 2017 22:25
		Re: RegExp this'n that: unneded creation of lib By: luoganda on Thu, 27 April 2017 11:32
		Re: RegExp this'n that: patch for 9251(cbInter),11040 By: luoganda on Thu, 04 May 2017 09:42
		Re: RegExp this'n that: patch for 9251(cbInter),11040 By: luoganda on Thu, 04 May 2017 09:47
		Re: RegExp this'n that By: luoganda on Sun, 15 July 2018 23:09

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