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From: Mutley on 28 Jun 2008 05:37
Dear All,

I have the following regular expression to check that a subnet has been
entereted correctly during a server prep script that I am writing. It works
fine if a number other than 0 is entered as the last octet however if i
enter more than one zero it accepts it as a valid subnet. i want it to
check that only one 0 has been entered as the last octet. And ideas on the
syntax. and if anyone can reccommend a couple of tutorial websites for
regular expressions and tutorials that would be great. Pardon the terrible
explanation.

strRegEx = "\d{1,3}\.\d{1,3}\.\d{1,3}\.0"

Cheers,

--
Ben

From: Steve on 28 Jun 2008 06:17
Mutley wrote:
>
> I have the following regular expression to check that a subnet has
> been entereted correctly during a server prep script that I am
> writing. It works fine if a number other than 0 is entered as the
> last octet however if i enter more than one zero it accepts it as a
> valid subnet. i want it to check that only one 0 has been entered as
> the last octet.
>
> strRegEx = "\d{1,3}\.\d{1,3}\.\d{1,3}\.0"

Regular expressions find patterns anywhere in a string. To anchor the
pattern to the whole string, use "^" at the start and "$" at the end
(and make sure the regexp's multiline property is false).

strRegEx = "^\d{1,3}\.\d{1,3}\.\d{1,3}\.0$"

> and if anyone can
> reccommend a couple of tutorial websites for regular expressions and
> tutorials that would be great.

http://www.google.com/search?q=regex+tutorial

Introduction to Regular Expressions:
http://msdn.microsoft.com/en-us/library/6wzad2b2(VS.85).aspx

Regular Expression (RegExp) Object
http://msdn.microsoft.com/en-us/library/yab2dx62(VS.85).aspx

--
Steve

When we are unable to find tranquility within ourselves, it is useless
to seek it elsewhere. -Francois de La Rochefoucauld


From: Mutley on 28 Jun 2008 06:36
worked a treat thanks a million
"Steve" <cerberus40(a)geemail.com> wrote in message
news:ubhgJhQ2IHA.1240(a)TK2MSFTNGP02.phx.gbl...
> Mutley wrote:
>>
>> I have the following regular expression to check that a subnet has
>> been entereted correctly during a server prep script that I am
>> writing. It works fine if a number other than 0 is entered as the
>> last octet however if i enter more than one zero it accepts it as a
>> valid subnet. i want it to check that only one 0 has been entered as
>> the last octet.
>>
>> strRegEx = "\d{1,3}\.\d{1,3}\.\d{1,3}\.0"
>
> Regular expressions find patterns anywhere in a string. To anchor the
> pattern to the whole string, use "^" at the start and "$" at the end (and
> make sure the regexp's multiline property is false).
>
> strRegEx = "^\d{1,3}\.\d{1,3}\.\d{1,3}\.0$"
>
>> and if anyone can
>> reccommend a couple of tutorial websites for regular expressions and
>> tutorials that would be great.
>
> http://www.google.com/search?q=regex+tutorial
>
> Introduction to Regular Expressions:
> http://msdn.microsoft.com/en-us/library/6wzad2b2(VS.85).aspx
>
> Regular Expression (RegExp) Object
> http://msdn.microsoft.com/en-us/library/yab2dx62(VS.85).aspx
>
> --
> Steve
>
> When we are unable to find tranquility within ourselves, it is useless
> to seek it elsewhere. -Francois de La Rochefoucauld
>

From: David Trimboli on 30 Jun 2008 09:39
Mutley wrote:
> and if anyone can reccommend a couple of tutorial websites for
> regular expressions and tutorials that would be great.

Perhaps the best online tutorial for learning about regular expressions:
http://www.regular-expressions.info/

--
David
Stardate 8497.1
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