Re: Named Group support for regular expressions in TR1?
On Aug 11, 7:04 pm, DomoC...@gmail.com wrote:
On Aug 11, 8:59 am, mlimber <mlim...@gmail.com> wrote:
On Aug 10, 5:21 pm, DomoC...@gmail.com wrote:
When I attempt to name a group in a regular expression under TR1, the
library throws a non descriptive error "regular expression error".
The numbered reference group works, as in /1 to reference the first
group. However, any attempt to use (?<myGroup>expression) fails?
Does anyone have any insight into this?
How about minimal but complete code (and input) to reproduce the
problem? Compare this FAQ on posting non-working code:
// Compiler Information
Version 9.0.21022.8 RTM
Microsoft .NET Framework
Installed Edition: Enterprise
Microsoft Visual C++ 2008 91899-153-0000007-60443
// Operating System
// This example should be compiled with visual studio 2008, with the
// TR1 Update Link :http://www.microsoft.com/downloads/details.aspx?Famil=
using namespace std::tr1;
int main(int argc, char* argv)
// this works
regex pattern1( "<[\\?](.+)[\\?]>?" );
// this fails
regex pattern2( "<[\\?](?'groupName'.+)[\=
// so does this
regex pattern3( "<[\\?](?<groupName>.+)[\=
catch (std::exception& exc)
// shows up as "regular expression error"=
, "unknown (?'groupName')
would have been nice :/ oh well
string dbg = exc.what();
Looking at the Dinkumware documentation, I don't see support for named
groups in the RE grammar.
Am I missing something?
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