On Apr 15, 11:20=A0pm, Qu <qua...@beagle.com.au> wrote:
> Hi everyone.
>
> I'm trying to make an application in which people can type in their
> own selection filter for an external application. For this, I need to
> be able to compare a string to a value in much the same way a search
> box does: "*" for a wildcard, AND and OR as their respective
> comparisons, greater than> and less than<, etc...
>
> Here's an example. The user could type this into the textbox:
> ">100 And <180 Or 240"
> Which would be compared with a number and return true if the number
> was between 100 and 180, or was 240.
>
> Another example:
> "*BRACE* Or SINGLE_BEAM"
> Which would be compared with a string and return true if the string
> contained the substring BRACE or exactly matched SINGLE_BEAM.
>
> Is there an easy way to do this, or am I going to have to go through
> the string character by character to extract the information? [crosses
> fingers]
>
> Thanks,
> Qu.

<ignacio.mac...@gmail.com> wrote:
> On Apr 15, 11:20=A0pm, Qu <qua...@beagle.com.au> wrote:
>
>
>
>
>
> > Hi everyone.
>
> > I'm trying to make an application in which people can type in their
> > own selection filter for an external application. For this, I need to
> > be able to compare a string to a value in much the same way a search
> > box does: "*" for a wildcard, AND and OR as their respective
> > comparisons, greater than> and less than<, etc...
>
> > Here's an example. The user could type this into the textbox:
> > ">100 And <180 Or 240"
> > Which would be compared with a number and return true if the number
> > was between 100 and 180, or was 240.
>
> > Another example:
> > "*BRACE* Or SINGLE_BEAM"
> > Which would be compared with a string and return true if the string
> > contained the substring BRACE or exactly matched SINGLE_BEAM.
>
> > Is there an easy way to do this, or am I going to have to go through
> > the string character by character to extract the information? [crosses
> > fingers]
>
> > Thanks,
> > Qu.
>
> Hi,
>
> No, there is no easy way of doing that. You need to parse the string
> (not an easy task per se) and generate a Regex struct to later use to
> compare- Hide quoted text -
>
> - Show quoted text -

"Qu" <quasar@beagle.com.au> wrote in message
news:ebdb36fc-16cb-4dca-a35f-b1bff580fad9@w5g2000prd.googlegroups.com...
> Hi everyone.
>
> I'm trying to make an application in which people can type in their
> own selection filter for an external application. For this, I need to
> be able to compare a string to a value in much the same way a search
> box does: "*" for a wildcard, AND and OR as their respective
> comparisons, greater than> and less than<, etc...
>
> Here's an example. The user could type this into the textbox:
> ">100 And <180 Or 240"
> Which would be compared with a number and return true if the number
> was between 100 and 180, or was 240.
>
> Another example:
> "*BRACE* Or SINGLE_BEAM"
> Which would be compared with a string and return true if the string
> contained the substring BRACE or exactly matched SINGLE_BEAM.
>
> Is there an easy way to do this, or am I going to have to go through
> the string character by character to extract the information? [crosses
> fingers]
>
> Thanks,
> Qu.