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I have a program that takes in an area code.
I need a way to check if it contains anything other than numbers.

[ Moderator!: Do not use all caps in the subject line "CHECK IF VARIABLE CONTAINS LETTERS, NUMBERS, ETC..." ]

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ShadowfoxXXX,
First read about how to get answers effectively.
http://www.autohotkey.com/forum/viewtopic.php?t=4986
Then check the command list for "If var is [not] type"

ok... I read it.
I'm assuming you're trying to say I did something incorrectly?
I did check all over the place, and i found nothing.
I don't need to include any further information,
and the "If var is [not] type" didn't show up anywhere, because AHK has no explicitly defined variable types. They're all just variables. No ints, strgins, or booleans.
I need a way to analyze the contents of a variable, even if it reads one character at a time, and then report if it contains any letters.




I tried:

If AreaCode is not digit {
MsgBox Area Code contains something other than the numbers 0-9!
Gui, Show
}

with and without % around AreaCode. It didnt work. At all

Link to docs: If vars is [not] type

Braces are used incorrectly here.

this is correct:

Or with regex:

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Another method that I find useful:

That method will also accept hexadecimal values, though, which in this case would not be desirable.

braces used this way

if (blablabl){
stuff here
}

has always worked for me.
in fact i used it multiple times in this program and it worked fine.

somehow that particular method only works when i change it.
I guess i gotta get off the whole java thing.

OTB style, in which the brace is placed on the same line as the if-statement, is only valid for if-statements that are expressions. Normal if-statements such as
If SomeVar = SomeString
or the special if-statements such as
If SomeVar is [not] type
and
If SomeVar [not] in/contains MatchList
do NOT support OTB, and must have the brace appear on the next line.

a a

so what if i wanted to check for numbers?
and symbols?
is it
if blank is not letter
if blank is not string

what is it?

Please, at the very least, read what has been posted in your thread. [VxE] has already posted a link to the help file, where you will find all of the information you need.

Please give some examples of the variables you are evaluating. I thought you were looking for just numbers, guess not.

The initial direction to read the "faq" on how to get answers was because you posted no code. Had you done so it might have provided some examples of what you were evaluating. Looks like we're making progress. Hang in there.