Web Forms :: Regular Expression To Match In HTML?
Aug 22, 2010
Here is the kind of text I want to match via a regular Expression
The id="dgSchedule" is always present in the TAG but its location may differ
The table is span over multiple line/contains white spaces/tabs...
I have the regular expression to match the start and end tag respectively over a single line
[Code]....
Is there any regular expression generator available that can generate me a regular expression based on the text I select and the parameters I specify?
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Oct 29, 2010
I was doing some web scraping and i was looking for some div elements with particular class names and markup. This is my objective , i have to extract everything within the div having the class s_specs_box s_box_4 Could someone provide the regular expression in .NET terms (i.e., which can be straight away passed into Regex's constructor)to match one such div (given below)
<div class="s_specs_box s_box_4"><h3>Display</h3><ul><li><strong><span class='s_tooltip_anchor'>Display:</span>
<span class='s_tooltip_content'><p class='s_help'><b>Display</b> - Phone's main display</p></span></strong><ul>
<li class='clear clearfix'><strong><span class='s_tooltip_anchor'>Type:</span>
<span class='s_tooltip_content'><p class='s_help'><b>Type</b> - Refers to the type of the display. There are four major display types: Greyscale, Black&White, LCD:STN-color and LCD:TFT-color</p></span></strong><ul><li>Color</li></ul>
</li><li class='clear clearfix'><strong><span class='s_tooltip_anchor'>Technology:</span>
<span class='s_tooltip_content'><p class='s_help'><b>Technology</b> - Refers to the type of the color displays. There are five major types: LCD, TFT, TFD, STN and OLED</p></span></strong><ul><li>Super AMOLED</li></ul>..............................
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Feb 10, 2010
can someone tell me the regex pettern to match a string from [a-zA-Z] where each character in the group cannot occur more than n number of times.
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Sep 8, 2010
I'm testing out a CMS I've built in ASP.NET and I'm having issues validating a form textarea with a regular expression.
I've used a ReguarExpressionValidator control to make sure a maximum of 4000 characters are entered but have realised I'm not including line breaks in the regular expression and can't figure out how to include them?
[Code]....
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Mar 16, 2011
I am reading .css fle which is having following 2 css classes:
[code]....
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Apr 24, 2010
I am using regular expressions for matching only digits, minimum 10 digits, maximum 14. I tried:
^[0-9]
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Nov 20, 2010
I want a regular expression patterns to match for the following example.
USER@DOMAIN.COMDOMAIN\USERUSER
I need only the USER to be extracted from those.
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Apr 9, 2010
I have a regular expression
^[a-zA-Z+#-.0-9]{1,5}$
which validates that the word contains alpha-numeric characters and few special characters and length should not be more than 5 characters.
How do I make this regular expression to accept a maximum of five words matching the above regular expression.
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Jun 8, 2010
I'm trying to use a RegularexpressionValidator to match an IP address (with possible wildcards) for an IP filtering system.I'm using the following Regex:
"([0-9]{1,3}\.|\*\.){3}([0-9]{1,3}|\*){1}"
Which works fine when running it in LINQPad with Regex.Matches, but doesn't seem to work when I'm using the validator.Does anyone have a suggestion as to either a better Regex or why it would work in test but not in situ?
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Aug 19, 2010
I am writing a Regular Expression in IIS Rewrite Module 2.0. I would like to check for 3 words if this is true then i have a redirect action in place.
My Reg Ex is :-
^(?=.*?http)(?=.*?SomeWord1)(?=.*?SomeWord2).*$
When i run a test and i put in my string it matches but it doesn't appear to work in the browser?
how i can match 3 word :- Http , SomeWord1 , SomeWord2
I have googled but i can't seem to find anything that works.
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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 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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Apr 16, 2010
have content html and put it into s variable
[code]....
Any one show me way to get each row in above table and push it into string array ?
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Nov 23, 2010
This is slightly different to most questions regarding HTML tags in strings - I want to add HTML!
I'm using a WYSIWYG editor which produces some eratic results. What im looking to do is to check the string it produces and check whether there are any sentences that aren't wrapped in a <p></p> tag. Typical strings could be:
Example 1
<p>Hello, this is string 1</p>
But string two doesnt appear to be in a <p> tag.
Example 2
None of this text is in <p> tags.
Example 3
Single line of text, again not in a <p> tag.
Could this be done using a regular expression?
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Jun 18, 2010
Im trying to make some BBCode-translation from textarea, but im stuck on translate list to html. I have this fo Bold text:
[Code]....
But how can i do if i want to translate this:
[Code]....
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Nov 11, 2010
This is my code.
Code:
[code]....
How can I fetch the values of each input from the attached HTML using regular expression in c#?
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Mar 15, 2010
I have the following string:
<div id="mydiv">This is a "div" with quotation marks</div>
I want to use regular expressions to return the following:
<div id='mydiv'>This is a "div" with quotation marks</div>
Notice how the id attribute in the div is now surrounded by apostrophes?
How can I do this with a regular expression?
Edit: I'm not looking for a magic bullet to handle every edge case in every situation. We should all be weary of using regex to parse HTML but, in this particular case and for my particular need, regex IS the solution.
Edit #2: Jens Ameskamp helped to find a solution for me but anyone randomly coming to this page should think long and very hard about using this solution. In my case it works because I am very confident of the type of strings that I'll be dealing with. I know the dangers and the risks and make sure you do to. If you're not sure if you know then it probably indicates that you don't know and shouldn't use this method.
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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 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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Jan 5, 2011
I have a Regular Expression ^[a-zA-Z''-'s]{1,40}$ Now i want to allow DOT (.) in this expression so hows its possible to add DOT in this expression.
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Oct 26, 2010
I have a regular expression validation set on text box. I have a grid on the same page with edit and delete buttons. In some cases I don't want the regular expression to fire. For example, I have a scenario where the text box will be disabled but I can still enter data in to the grid and modify it, but the regular expression fires when I modify the grid and the changes in the grid are not processed.how can I stop the validation when I am working on grid. I can see a property causes validation for button to stop validation but don't know how can I stop for the grid.
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Mar 23, 2010
i want to find and replace img src path by regular expression.suppose i have the below html and from there i want to replace file path of all the src attribute of image tag.
<P>Hello</P>
<P> </P>
<P><IMG alt="C:\Documents and Settings\All Users\Documents\My Pictures\Sample Pictures\Sunset.jpg" src="C:\Documents and Settings\All Users\Documents\My Pictures\Sample Pictures\Sunset.jpg"></P>
here the file path is src="C:\Documents and Settings\All Users\Documents\My Pictures\Sample Pictures\Sunset.jpg"
and i want to replace it with path like src="www.mysite.com/images/a.gif" with regular expression.how can i do it with regular expression.
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