Web Forms :: Create A Regular Expression From A String Or An Array Of Domain Names?
Feb 25, 2010
I need a way to create a regular expression from a string or an array of domain names. for example string array = [URL]. Once I click save I would want to create a regular expression that would match all 3 with or without '.com' extension. Then Another task would be to pull this data out of regular expression and put it back into an array.
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Mar 4, 2010
I'm having a TextBox and it can be accept only the string like "49=N,38=S,56=S,......"
so can u tell me how can i create my regular expression for validate above string.
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Sep 20, 2010
i have to check if an input string is valid based on the given regular expression.. this is the regular expression.
(a(bb+aaa+((ab)*bb+(aba)*aa)(a+b)*) + (b(aa+bbb+((ba)*aa+(bab)*bb)(a+b)*)
+ is an OR
* is a LOOP, it is optional, it may be done as many as a user wants.
i've tried many ways to solve the problem that my professor gave me but my knowledge isn't that enough to solve this problem..
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Feb 22, 2011
I would like to retrieve the sub domain value if exists in the url by using regular expression or Uri class based concept?
For example:
Input: [URL]
Output: support
Input: [URL]
Output: nothing {no sub domain exists}
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Dec 1, 2010
I have to create a regular expression for email id like this
xyz@yahoo.com and
xyz@gmail.com
I need to allow only yahoo and gmail as the domain not any other domain. I have used this expression w+([-+.]w+)*@yahoo.com . It is working fine for yahoo. but I want to include gmail also. How can I modify it to except gmail also?
I am using ASP.NET 2.0
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Feb 26, 2013
In my registration form, there is field to enter email-id of member, i want to restrict user, so that he would not able to enter gmail, yahoo, radiff.... emailids is this possible.., Only company email id eg: priyanka@juncturetech.net must be allowed?
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Apr 26, 2010
I am new to regular expression. Could you give me the syntax in asp.net??
The textbox string should be int value, non zero, non-negative.
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Sep 2, 2010
I am really struggling with this! Using the regular expression validator I created an expression, thus ":" to show an error message if the user tries to enter in a name that contains a colon. What I am getting is the error message showing even when there is no colon (:) in the string. What am I doing wrong?
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Aug 30, 2010
How would I create a regular expression validator for a textbox, to limit the input to a decimal number between .1 and 1?
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Sep 13, 2010
I have the following regular expression replacement:
[Code]....
how to exclude certain string
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Jan 19, 2011
I am working on a web application in which I am getting a string from database and breaking it to use it. This is the string: string str = "DB1031229";
But sometimes I am not getting proper results. I need to break it in :
DB
10
1229
You can notice that I have not included 3 in that. I dont need that.
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May 4, 2010
give me Regular expression for validation string that must have at least one alphabet and at least one numeric value?
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Jun 10, 2010
Suppose i have this input string "3rd position 5th time"
I want to write a Regular Expression to get 3 and 5 in a String like this "3 5" i.e., 3 and 5 both will be in a String but having a space. 3 and 5 may be any numbers like 12 or 13 ony any other numbers. For this i wrote this Regular Expression
Dim regexpression As
String =
"^[0-9]*+[0-9]"
but its not working .I am unable to get the logic.
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Aug 4, 2010
I am trying to capture instances of '&#' in a string using a regular expression.
The best validation expression I can come up with is [^&#]*
This captures &# but unfortunately also captures & and # on their own.
How do I make the expression only look for &# together?
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Sep 21, 2010
I need to construct a regular expression for the password textbox, Min:8,Max:16 and must include atleast a number(0-9),alphabets upper and lower case. I am unable to limit the length to 16.
<asp:RegularExpressionValidator ID="RegEx" runat="server" ControlToValidate="Password"
ErrorMessage="Password must be min:8,max:16 characters and include a number,alphabets upper case and lower case.
"ToolTip="Password format is not correct"
ValidationExpression="^(?=.{8})(?=.*d)(?=.*[a-z])(?=.*[A-Z]).*$">
</asp:RegularExpressionValidator>
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Jul 21, 2010
I'm trying to write a validator for an ASP.NET txtbox.
How can I validate so the regular expression will only match if the 6th character is a "C" or a "P"?
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Sep 25, 2010
I want to create Regular Expression for phone number and valid digits allowed are (,),-,+,0----9. If the left bracket ( is there,then its necessay that right bracket is also there. How to create the Regular Expression for the above. I dont know how to create the regular Expression,
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Jan 25, 2011
what regular expression should i use to validate cricket overs in textbox. like it can be 5.1, 5.2,5.3,5.4,5.5 but it should not contain fraction value greater than .5 ,also the values should be numeric only (float and int)
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Feb 16, 2010
I'm trying to use the validator to work on a email form to ensure that they enter a valid from email address. That part works. I also want to add to the expression the text that I pre-populate in the txtbox ("Enter your email address") so on postback, after sending the message, I can clear the fields and repopulate that box.
How do I add that wording to the current expression: w+([-+.']w+)*@w+([-.]w+)*.w+([-.]w+)*
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Feb 2, 2011
I am using Regular Expression validator for a text box. The below is working fine.It is not performing validation when I enter values like 0000..001.How can I modify validation expression? But it would allow values like 100,...5000 i.e zeros after a number.
<asp:RegularExpressionValidator ID="reg2" runat="server" ControlToValidate="rng2"
ValidationExpression="^[0-9]+" ErrorMessage="*Please Enter a Valid Number for Second Range."
ForeColor="Red" Font-Bold="True"></asp:RegularExpressionValidator>
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Dec 15, 2010
Given a string in my database like "Computer Gadget", I am trying to achieve a url format like "http://xyz.com/products/details/computer-gadget" when a user clicks a link to the item "computer gadget" from a list view.In my list view for the products, I have Action links that read like this
[Code]....
When I hover over this link on the rendered page I get a link that looks like "http://xyz.com/products/details/computer+gadget"and the correct product detail is returned after I have url.decoded the string in my Details method. However, the returned page displays a url that looks like "http://xyz.com/products/details/computer%2bgadget"How can I get the returned url to show "computer-gadget" instead?Also when a name has "&" or "/" the server throws a Http 400 error message. I know these are unsafe values, but is there a way to work around this safely to allow the strings keep these characters?
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Nov 19, 2010
understood me how can i make a regular expression that allow all the mismatch case and don't a match case
ex: ".aspx"
( when i put any thing in text box it allow ----a ,ab ,adn.jpg ) result=true (but when i put =.aspx ) result= false
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Dec 1, 2010
I need some help in regular expression.I am validating the textbox text when updating the records.When i click the update button,the first 5 letters should be equal to CM000 or cm000.How to validate this using regular expression in asp.net. does anyone know validationexpression for this.
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Mar 17, 2011
If i am giving the text
hjghj bvgfh . it is failing
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Sep 30, 2010
I am a new to regular expressions.I need to validate an identification number so that the textbox doesn't accept numbers like 1111111, 2222222, 3333333......9999999 and 1234567, 2345678, 3456789.Could someone please post regular expression for not accepting such format.
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