473,385 Members | 1,597 Online
Bytes | Software Development & Data Engineering Community
Post Job

Home Posts Topics Members FAQ

Join Bytes to post your question to a community of 473,385 software developers and data experts.

RegularExpression for validation

I do not know how to write regularexpressions. I was wondering if someone
could show me how to write one for my validation that will not allow more
than 250 characters.

Thanks
Phil
Aug 29 '06 #1
5 907
I would say how, but can I suggest you try searching the web first on
regular expressions in google?

maybe try "regular expression simple examples"

if your stuck on something then Ill gladly help

Phillip Vong wrote:
I do not know how to write regularexpressions. I was wondering if someone
could show me how to write one for my validation that will not allow more
than 250 characters.

Thanks
Phil
Aug 29 '06 #2
Try this.

" ^[a-zA-Z0-9]{1,250}$"

regards

John Timney (MVP)
"Phillip Vong" <phillip_vong*at*yahoo*dot*comwrote in message
news:uA**************@TK2MSFTNGP06.phx.gbl...
>I do not know how to write regularexpressions. I was wondering if someone
could show me how to write one for my validation that will not allow more
than 250 characters.

Thanks
Phil

Aug 29 '06 #3
actually you could probably get away with just ".{1,250}"

--
--
Regards

John Timney (MVP)
"John Timney (MVP)" <x_****@timney.eclipse.co.ukwrote in message
news:JZ******************************@eclipse.net. uk...
Try this.

" ^[a-zA-Z0-9]{1,250}$"

regards

John Timney (MVP)
"Phillip Vong" <phillip_vong*at*yahoo*dot*comwrote in message
news:uA**************@TK2MSFTNGP06.phx.gbl...
>>I do not know how to write regularexpressions. I was wondering if someone
could show me how to write one for my validation that will not allow more
than 250 characters.

Thanks
Phil


Aug 29 '06 #4
Brilliant resource for regular expressions:

http://regexlib.com/

Phillip Vong wrote:
I do not know how to write regularexpressions. I was wondering if someone
could show me how to write one for my validation that will not allow more
than 250 characters.

Thanks
Phil
Aug 29 '06 #5
Thanks everyone!

"mocsoft" <mo********@gmail.comwrote in message
news:11**********************@h48g2000cwc.googlegr oups.com...
Brilliant resource for regular expressions:

http://regexlib.com/

Phillip Vong wrote:
>I do not know how to write regularexpressions. I was wondering if
someone
could show me how to write one for my validation that will not allow more
than 250 characters.

Thanks
Phil

Aug 29 '06 #6

This thread has been closed and replies have been disabled. Please start a new discussion.

Similar topics

0
by: Stephan Bour | last post by:
Follow up to previous question: Iım trying to validate a multipline asp text box that can have a maximum of 150 word characters but any number of white space, carriage returns or tabs. I tried...
3
by: mg | last post by:
Does someone have RegularExpression code (C# WebForm) for server-side validation of Date (mm/dd/yyyy) ... including leap year?
2
by: John Hoge | last post by:
I have a regex "^\d{5}$" that does not allow blanks, but the RegularExpressionValidator does not fire for empty fields. Is there a way to make it do so? I would rather not include a separate...
1
by: Nicola Farina | last post by:
Hi all, i've a form with a textbox that user "must" fill with a password. I want to check if there's a password inside, and if it's between 6 an 8 chars. I've placed a regularexpression...
2
by: den 2005 | last post by:
Hi everybody, How do restrict entering these characters <>\"%';()& and telling user these caharcters are not allowed to be enter in the textbox field using RegularExpression Validator? I put in...
3
by: Arpan | last post by:
Consider the following code which validates a TextBox using RegularExpression: <form id="form1" runat="server"> <asp:TextBox id="txt1" runat="server"/> <asp:RegularExpressionValidator...
1
by: Arpan | last post by:
Using RegularExpression, I want to validate a TextBox so that the TextBox accepts only 8-digit numbers. This can be done with the following RegularExpression: {8} But how do I validate the...
1
by: prp | last post by:
hi all, I have a problem.Suppose I use a regularexpression validator for zip code. An User fill wrong entry in the relevant textbox then regularexpression validator fires.but user did not...
5
by: hamsterchaos | last post by:
<asp:RegularExpressionValidator id="valRegEx" runat="server" ControlToValidate="textbox1" ValidationExpression=" " ErrorMessage="* Please only enter alphanumeric values and make sure...
0
by: taylorcarr | last post by:
A Canon printer is a smart device known for being advanced, efficient, and reliable. It is designed for home, office, and hybrid workspace use and can also be used for a variety of purposes. However,...
0
by: aa123db | last post by:
Variable and constants Use var or let for variables and const fror constants. Var foo ='bar'; Let foo ='bar';const baz ='bar'; Functions function $name$ ($parameters$) { } ...
0
by: ryjfgjl | last post by:
If we have dozens or hundreds of excel to import into the database, if we use the excel import function provided by database editors such as navicat, it will be extremely tedious and time-consuming...
0
by: ryjfgjl | last post by:
In our work, we often receive Excel tables with data in the same format. If we want to analyze these data, it can be difficult to analyze them because the data is spread across multiple Excel files...
0
BarryA
by: BarryA | last post by:
What are the essential steps and strategies outlined in the Data Structures and Algorithms (DSA) roadmap for aspiring data scientists? How can individuals effectively utilize this roadmap to progress...
1
by: nemocccc | last post by:
hello, everyone, I want to develop a software for my android phone for daily needs, any suggestions?
1
by: Sonnysonu | last post by:
This is the data of csv file 1 2 3 1 2 3 1 2 3 1 2 3 2 3 2 3 3 the lengths should be different i have to store the data by column-wise with in the specific length. suppose the i have to...
0
Oralloy
by: Oralloy | last post by:
Hello folks, I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>". The problem is that using the GNU compilers,...
0
jinu1996
by: jinu1996 | last post by:
In today's digital age, having a compelling online presence is paramount for businesses aiming to thrive in a competitive landscape. At the heart of this digital strategy lies an intricately woven...

By using Bytes.com and it's services, you agree to our Privacy Policy and Terms of Use.

To disable or enable advertisements and analytics tracking please visit the manage ads & tracking page.