test is string is number

[daveplummermd]

Guys

How can I test if a string is a number?

Thanks in advance

Dave

[Thomas Linder Puls]

To test whether the string S is a real:

Code: Select all

R = tryToTerm(real, S)

[CalmoSoft]

Hello Dave,

May next links help you:
test is string is number #1
test is string is number #2

Greetings,
Gal Zsolt
(~ CalmoSoft ~)

[daveplummermd]

Thanks , but in what class/package can I find trytoTerm?
dp

[Harrison Pratt]

It's "built-in" -- see here: https://wiki.visual-prolog.com/index.ph ... #tryToTerm