[GNC] Import Bills & Invoices: how can I use e.g. \S in the custom regular expression for import?

[John Ralls]

You might get some insight from the Description section of https://developer.gnome.org/glib/stable/glib-Perl-compatible-regular-expressions.html <https://developer.gnome.org/glib/stable/glib-Perl-compatible-regular-expressions.html>, in particular the bit about UTF8.

Regards,
John Ralls


> On Dec 22, 2018, at 7:11 AM, Rob Laan <rob.laan at chello.nl> wrote:
> 
> Hi John,
> 
> Well, I have to take it all back. Using \S etc.does work in this situation. The problem is only with matching the \xHH values.
> 
> I still don’t understand why it won’t match with the \xHH values, but I have some clues that I will look into.
> 
> I also tested the issue of the bug you referred too. I now understand that that is a different issue; non of the generic character types I tested worked there.
> 
> Regards,
> 
> Rob
> 
> 
>> On 22 Dec 2018, at 05:42, John Ralls <jralls at ceridwen.us <mailto:jralls at ceridwen.us>> wrote:
>> 
>> 
>> 
>>> On Dec 21, 2018, at 11:54 AM, Rob Laan <rob.laan at chello.nl <mailto:rob.laan at chello.nl>> wrote:
>>> 
>>> Hi,
>>> 
>>> In the function Import Bills & Invoices, there is the option to use a custom regular expression to match the import file to the GnuCash fields.
>>> In that regular expression, I want to use regex generic character types (e.g. \S for non white space characters), and hex codes (\xHH).
>>> 
>>> But when I enter e.g. \S in the dialog box, it is converted to \\S in the resulting regular expression (checked that in the debugger), bungling up the matching process.
>>> 
>>> Is this a bug? Or is there some other way to enter \S, \xHH etc. in the custom regular expression?
>>> 
>>> Using GnuCash maint on macOS High Sierra.
>> 
>> Sounds like a variant on https://bugs.gnucash.org/show_bug.cgi?id=631876 <https://bugs.gnucash.org/show_bug.cgi?id=631876>.
>> 
>> Regards,
>> John Ralls