Hello.Could you please remove me from this distribution list for
now?Thank you.Sallie

        -----------------------------------------From: "Raul Miller" 
To: programm...@jsoftware.com
Cc: 
Sent: Saturday September 10 2022 3:55:42PM
Subject: Re: [Jprogramming] detect number but survive also string
input

 I would use (0&". -: 1&".) or some variation which deals with the
 cases you're interested in for this purpose.

 Thanks,

 --
 Raul

 On Sat, Sep 10, 2022 at 2:49 PM Pawel Jakubas  wrote:
 >
 > Dear J users,
 >
 > What is the way to detect number that could be represented as
integer,
 > float, could be negative, could assume scientific notation or
rational. Is
 > there something like isNumber or isString ?
 > I would like to have something like this:
 >
 > if. (detect_number i) do.
 > process number
 > else.
 > process string
 >
 > and detect_number to survive inputs
 > i=: 2
 > i=: _2
 > i=: 2r3
 > i=: 2.3333
 > i=: 4.29497e9
 > i=: 'Two'
 >
 > Thanks and cheers,
 > Pawel
 >
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