Re: Is [variable] a Number?
This WebDNA talk-list message is from 2007
It keeps the original formatting.
numero = 69003
interpreted = N
texte = As long as you don't have to worry about negative numbers then the followingwill work:[text]PASS=no[/text][showif [url][math show=T]abs([VART])[/math][/url]=[url][VART][/url]][text]PASS=yes[/text][/showif]VART is the variable you are passing.It will work on all numbers and letters but will fail if the number you arechecking is a negative (-40)HTHAlexOn 5/25/07 11:48 AM, "Clint Davis"
wrote:> How can I test a variable to make sure it's a number? I remember reading> something on the list some time ago, but I can't find it.> > -- Alex J. McCombie .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Adventure Skies InteractiveBox 124 Martville, NY 13111p. 315 .233 .9403 e. Alex@AdventureSkies.comwww.AdventureSkies.com-------------------------------------------------------------This message is sent to you because you are subscribed to the mailing list .To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://webdna.smithmicro.com/
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As long as you don't have to worry about negative numbers then the followingwill work:[text]PASS=no[/text][showif [url][math show=T]abs([VART])[/math][/url]=[url][VART][/url]][text]PASS=yes[/text][/showif]VART is the variable you are passing.It will work on all numbers and letters but will fail if the number you arechecking is a negative (-40)HTHAlexOn 5/25/07 11:48 AM, "Clint Davis" wrote:> How can I test a variable to make sure it's a number? I remember reading> something on the list some time ago, but I can't find it.> > -- Alex J. McCombie .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Adventure Skies InteractiveBox 124 Martville, NY 13111p. 315 .233 .9403 e. Alex@AdventureSkies.comwww.AdventureSkies.com-------------------------------------------------------------This message is sent to you because you are subscribed to the mailing list .To unsubscribe, E-mail to: To switch to the DIGEST mode, E-mail to Web Archive of this list is at: http://webdna.smithmicro.com/
Alex McCombie
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