Error trapping

typon · Post by **typon** » Sat Jan 08, 2005 4:55 pm

Hi ppl.

I need help on how to error trap number inputs really bad.

E.G.
If i need a user input value as real, and they enter "dfasdf", how do i error trap that

PLEASE HELP ME ASJHASFJAS

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Red Squirrel · Post by **Red Squirrel** » Sat Jan 08, 2005 5:11 pm

What language?

Check if it has a function that checks if it's a number or not.

for example wit php you'd use preg_match to ensure it's a number and you could even limit how many digits as well.

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Athy · Post by **Athy** » Sat Jan 08, 2005 7:58 pm

As far as I know you can't errortrap letters if you need a number input, but I might be wrong.

<3

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wtd · Post by **wtd** » Sat Jan 08, 2005 9:22 pm

Athy wrote: As far as I know you can't errortrap letters if you need a number input, but I might be wrong.

<3

Of course you can. If you can determine what the numbers in the input were to do the conversaion, then you can certainly check to see if there are any letters that can be converted to numbers.

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typon · Post by **typon** » Sat Jan 08, 2005 11:17 pm

umm im talking about turing.

PLEASE HELP WTD

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Athy · Post by **Athy** » Sat Jan 08, 2005 11:51 pm

wtd wrote:
Athy wrote: As far as I know you can't errortrap letters if you need a number input, but I might be wrong.

<3
Of course you can. If you can determine what the numbers in the input were to do the conversaion, then you can certainly check to see if there are any letters that can be converted to numbers.

Woah, must remember to yell at teacher! Lol!

<3

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wtd · Post by **wtd** » Sun Jan 09, 2005 2:02 am

typon wrote: umm im talking about turing.

PLEASE HELP WTD

Type "strrealok" and hit F9.

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Athy · Post by **Athy** » Sun Jan 09, 2005 12:59 pm

wtd wrote:
typon wrote: umm im talking about turing.

PLEASE HELP WTD
Type "strrealok" and hit F9.

Cool! SO if you hit F9 it takes you to Turing Help?

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wtd · Post by **wtd** » Sun Jan 09, 2005 3:57 pm

F10 is general Turing help. F9 takes you to help related to the word in front of your cursor.

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Athy · Post by **Athy** » Sun Jan 09, 2005 4:13 pm

wtd wrote: F10 is general Turing help. F9 takes you to help related to the word in front of your cursor.

Cool, thanks, any shortcuts in Turing help.

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typon · Post by **typon** » Wed Jan 12, 2005 10:19 am

worked thanks
<3

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