[Qgis-developer] BUG? strpos("area",'.') doesn't work

[Mathieu Pellerin]

We should indicate in the function help that strpos is regexp based.

On Nov 7, 2016 6:23 PM, "Matthias Kuhn" <matthias at opengis.ch> wrote:

> Hi,
>
> strpos is based on regexp, a '.' matches any character.
> To let the engine treat a . as such you need to prefix it with a
> double-backslash.
>
> strpos(to_string("area"), '\\.')
>
> Regards
> Matthias
>
>
> On 11/07/2016 12:07 PM, Elstermann, Mike wrote:
> > Hi,
> >
> >
> >
> > “area” is a double-field with values e. g. 213.1234,  43215.3456, …
> >
> >
> >
> > strpos("area",'.') gives only value 1 return :-(
> >
> > strpos(to_string("area"),'.') gives only value 1 return  :-(
> >
> >
> >
> > This error exits only by ‘.’, other search-strings e. g. ‘12’, ‘1’, …
> > work fine
> >
> >
> >
> > Our workarround works fine.
> >
> >
> >
> > strpos( replace( to_string( "area" ), '.', ',' ), ',' )
> >
> >
> >
> > Is this a bug with ‘.’?
> >
> >
> >
> > best regards, mikeE.
> >
> >
> >
> >
> >
> >
> >
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