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GeneralRe: Can a union in standard C "skip" members? Pin
Richard MacCutchan31-Jan-19 23:52
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GeneralRe: Can a union in standard C "skip" members? Pin
arnold_w1-Feb-19 0:13
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GeneralRe: Can a union in standard C "skip" members? Pin
Richard MacCutchan1-Feb-19 1:42
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GeneralRe: Can a union in standard C "skip" members? Pin
arnold_w1-Feb-19 2:08
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GeneralRe: Can a union in standard C "skip" members? Pin
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QuestionWhich type of Regex best to learn for programming with C? Pin
HS_C_Student17-Dec-18 3:43
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AnswerRe: Which type of Regex best to learn for programming with C? Pin
Richard MacCutchan17-Dec-18 3:53
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GeneralRe: Which type of Regex best to learn for programming with C? Pin
HS_C_Student17-Dec-18 5:57
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As far as I can tell there are at least three main types; POSIX basic, POSIX extended, and Perl Compatible.

There's a list of engines here:

Comparison of regular expression engines - Wikipedia[^]


And apparently some differences between PERL and PCRE:

Perl Compatible Regular Expressions - Wikipedia[^]

I don't know/understand if let's say 80 or 97 percent of the Regex syntax is the same between one version or another or if they are distinct subtypes with significant differences.

I don't know if they all support ascii, Unicode, and utf encoding, or whether they are all capable of returning matched variables or if some are only providing a match/no match result.
GeneralRe: Which type of Regex best to learn for programming with C? Pin
Richard MacCutchan17-Dec-18 6:48
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QuestionUnable to find atlapp.h file in Visual Studio 2017 Pin
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