VS 2010 Proper Regular Expression (Regex) Pattern?

Apr 24, 2012

It seems up until now I've never used Regex, nor even heard of it. But once I did I realized how extremely useful this is. Having said, it's been 2 days since I've began looking into constructing my own patterns. My most recent being for decimals. Is the pattern I provided below "proper"? and are there also any improvements I could be making for a more efficient patter, which would minimize any possibility of a loophole? [code] So for my use, this is doing what it's supposed to being doing under every test I can through at it. But do mind the 0. and .0, I have a function to normalize these as they are proper, I just pad the left and right accordingly. I found most regex questions asked here..and yes I am doing this in vb.net so it fits. If not, then feel free to move this post somewhere else better suited for the topic of discussion.

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[2005] Regular Expression Pattern For Double Quotation Mark

Feb 3, 2009

I want to match a string embedded in double quotation marks. For ex.

He is "Best Friend" of my family. I am going to get

Best Friend Could you look at my pattern?

(?<q>["']).*?k<q> Right or not?

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Regex :: How To Write Regular Expression

Sep 14, 2010

My coworker needs me to write him a regular expression for his vb.net app.I do not know vb and he does not know regex.The regex he needs is:/.*web id: ?(d+).*/iBasically he needs to search a string for something like "web id: 345" or "web id:2534" and retrieve the ID.He took what I gave him above and was able to put this together:

Dim strPattern As String = ".*web id: ?(d+).*"
Dim strReplacement$ = "$1"
GetWebId$ = Regex.Replace(LCase$(strNote$), strPattern$, strReplacement$)

[code].....

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Regex - ASP Regular Expression For UK Telephone Format?

Sep 23, 2009

I want regular expression validator for my telephone field in VB.net. Telephone format should be (+)xx-(0)xxxx-xxxxxx ext xxxx (Optional) example my number would appear as 44-7966-591739 Screen would be formatted to show +44-(0)7966-591739 ext?

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Regex - Regular Expression With Specific Criteria

Jan 31, 2011

I'm trying to type a regular expression that follows the following format: [URL] There are no special characters or numbers permitted for this criteria. I thought I had it down, but I'm a bit rusty with regular expressions and when I tested mine, it failed all across the boards. So far, my regular is expression is:

[Code]...

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Building Regex (regular Expression) - Get Data Out Of String?

May 21, 2009

ok, For the moment I have a string() where each element is in the structure of

[Code]...

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Regex - Capture The Repeating Data Using A Regular Expression In .Net?

Feb 7, 2011

I'm trying to find the right RegEx to capture some (potentially) repeating data. I don't know how many times it will repeat. If I give an exanple of the data and what I want to capture can anyone point me in the right direction? It's the .Net regex engine (Visual Basic)

[Code]...

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Regex - Parsing Excel Reference With Regular Expression?

Oct 14, 2010

Excel returns a reference of the form

=Sheet1!R14C1R22C71junk

("junk" won't normally be there, but I want to be sure that there's no extraneous text.)I would like to 'split' this into a VB array, where

a(0)="Sheet1"
a(1)="14"
a(2)="1"

[code]....

I'm sure it can be done easily with a regular expression, but I just can't get the hang of it.

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Regex - Regular Expression That Requires At Least ONE Digits And SIX Maximum

Jan 21, 2011

I need a regular expression that requires at least ONE digits and SIX maximum. I've worked out this, but neither of them seems to work. ^[0-9][0-9]?[0-9]?[0-9]?[0-9]?[0-9]?$ ^[0-999999]$

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Regex - Extract SubString Based On Regular Expression Match

Apr 26, 2012

Quick RegExp problem (i hope). I need to identify a sub string from any string based on a regular expression. For Example, take the following strings:

[Code]...

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Regex - Regular Expression To Check Input On Multiline Textbox?

Mar 15, 2011

regex - regular expression to check input on multiline textbox

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Regex - Regular Expression To Convert Ul To Textformat And Back, With A Different Attribute Value For First Tag ?

Apr 1, 2010

This is a related to a previous question I have asked here, see the link below for a brief description as to why I am trying to do this.Regular expression from font to span (size and colour) and back (VB.NET).Basically I need a regex replace function (or if this can be done in pure VB then that's fine) to convert all ul tags in a string to textindent tags, with a different attribute value for the first textindent tag.For example:

<ul>
<li>This is some text</li>
<li>This is some more text</li>[code].....

Basically I want the first ul tag to have no indenting, but all nested ul tags to have an indent of 20.

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Regex - Regular Expression To Parse Whitespace-delimited Data?

Jun 18, 2009

I have written code to pull some data into a data table and do some data re-formatting. I need some help splitting some text into appropriate columns.

CASE 1

I have data formated like this that I need to split into 2 columns.

[Code]...

column is the first 11 characters That is easy.column 2 should contain all the text after the first 11 characters up to but not including the first number.The last column is all the text after column 2

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Regex Regular Expression To Remove Lines Which Start With Certain Text?

Mar 24, 2012

I know it may be quite easily for you. i have a text which contains 40 lines, I want to remove lines which starts with a constant text. check below data.

When I used (?mn)[+CMGL:].*($) it removes the whole text , when I use (?mn)[+CMGL:].*(
) , it only leaves the first line.
+CMGL: 0,1,,159
07910201956905F0440B910201532762F20008709021225282808
+CMGL: 1,1,,159

[Code]...

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Regular Expression (RegEx) To Replace Floating-point Numbers In XML?

Aug 22, 2011

I'm using Visual Basic 2010 Express to edit an XML file. I want to replace items that have (typically) non-zero floating point numbers with a single zero.

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Regex - .net Regular Expression To Match Two Words Separated By Comma Not Working?

Mar 4, 2010

I am pretty good with perl regular expressions but evidently I am at a loss on why this doesn't work.The code below stores "Person Test" in output variable.

im output As String
Dim userName As String = "Test, Person"
Dim re As New Regex("(w+),s(w+)", RegexOptions.Singleline)
output = re.Replace(userName, "$2 $1")

So why doesn't the following code store "#Test##Person#" in output variable.

Dim output As String
Dim userName As String = "Test, Person"
Dim re As New Regex("(w+),s(w+)")
For Each Match As Match In re.Matches(userName)
output &= "#" & Match.ToString & "#"
Next

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Regex - Regular Expression Needed To Replace Return Character With Another String?

Jul 20, 2009

I'm trying to replace all the carriage return characters in a string obtained from a multi line text box in a Windows Form with the string ", <BR>" so that when I use the string in some HTML it displays correctly.

Function Blah(ByVal strInput As String) As String
Dim rexCR As Object
rexCR = CreateObject("VBScript.RegExp")

[code]....

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Regex - Regular Expression To Extract Numbers From Long String Containing Lots Of Punctuation?

Aug 27, 2009

I am trying to separate numbers from a string which includes %,/,etc for eg (%2459348?:, or :2434545/%). How can I separate it, in VB.net

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Regex - Regular Expression To Split By Comma + Ignores Comma Within Double Quotes?

Feb 7, 2012

I'm trying to parse csv file with VB.NET.csv files contains value like 0,"1,2,3",4 which splits in 5 instead of 3. There are many examples with other languages in Stockoverflow but I can't implement it in VB.NET.Here is my code so far but it doesn't work...

Dim t As String() = Regex.Split(str(i), ",(?=([^""]*""[^""]*"")*[^""]*$)")

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VS 2010 Regex To Find A Pattern In File?

Jan 21, 2012

have a 1mb file, should get the pattern from it

pattern should be like this
6numbers + 10&FF + 6numbers
in the hex binary editor it looks like this

[code].....

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VS 2010 Simple Regex Pattern Matching?

Jul 1, 2011

I need an extremely simple regex pattern that matches anything within square brackets [].

Example:

This is a [test] text with [some] [examples].Required results: [test], [some], [examples].I don't want to get rid of the brackets, they should be included in the result (that should make it easier, right?)

If possible I'd like to exlude results that have whitespace in them, so things like [this string] should not be matched. If that gets too hard (probably not, but hey I can't even manage this :S) then I don't really mind, I can always check if the result contains whitespace myself.

I tried a lot of examples I could find online and ones that I could think of myself but none work. Note: I've been testing with the Visual Studio Find dialog (checking to use regular expressions obviously), maybe that's where the problem lies, because I don't really understand why some of these don't work...

Anyway, first thing I tried was simple: match the two brackets and one or more characters in between (that should be a +, right?)

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VS 2010 Regular Expression For Include Textbox?

Jan 1, 2010

I use this code. USED CODE

[Code]...

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Regular Expression Search In Visual Studio 2010?

Jun 28, 2011

I'm not sure if this is possible within VS, but I'm working with a massive VB.NET file that needs to log every function call for debug purposes. Problem is, that not every function has the Log command in it. I'm trying to use RegEx to find the function efinitions that do not have a log within them.This would NOT be a match:

Public Function Test1() as Boolean
Log.Tracelog("Test1()")
Return True

[code].....

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VS 2010 Regular Expression To Restrict Input To Only Certain Characters In A Text Box

Aug 18, 2010

I am in a need of a Regular Expression to restrict input to only certain characters in a text box. The text box can only allow 0 or 1 "+" sign at the beginning and at no other position. The text box can only allow 0 or 1 ":" sign not before the "+" sign. The text box can allow any number of 0-9 digits.

[Code]...

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VS 2010 Regular Expression - Find With Multiline Between " - "

Feb 7, 2011

[Code]....

Website from download and fetch data, but i get empty value. I don't know how to make it find with multiline between " - ", but they're on different rows. (")

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Difference Between Java And .Net Framework Regular Expressions Pattern?

Sep 24, 2010

Difference between Java & .Net Framework Regular Expressions Pattern I am trying to convert My .Net Framework but patterns are not valid?

e.g. How would we name the grouping constructs in java, etc.

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Get A REGEX Pattern To Match?

Mar 17, 2011

validating a 9-digit number.

CANNOT BE -----------
000000000
111111111

[code]....

I had just managed to get the first piece done -- "^(??!0+|1+|2+|3+|4+))d{9}$"

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RegEx Pattern For Names?

Feb 21, 2012

I was considering validating some input using RegEx to match a pattern of

Firstname, Lastname

I largely have it, but there is so much variability in names that I'm not quite sure if any pattern is safe. In fact, in this case, I know that no pattern is safe, so I have built in a means for the user to accept whatever was entered, regardless of what it was, which isn't so great.

What I'm wondering is whether or not there is a safe Regex pattern that will cover names in this format, or will cover at least most of them. What I currently have is:

"^[A-Z][a-z]+, [A-Z][a-z]+"

But that will allow through things like Hiker, Shaggy, the, which is fairly silly, but shouldn't be allowed....I think. Does anybody use names with commas in them? I know that apostrophes are fairly common, though I'm pretty sure I can ignore them.

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Regex Pattern UNMATCH In C#

Mar 7, 2011

Need a pattern to match a string which should NOT be --

777777777
888888888
999999999

Or start with 00 or 02 or 04. when i tried to go create a pattern to match the above requirements, i got it done by - Dim _pattern6 As String = "^(7+|8+|9+|(00|07|08|09|17|18|19|28|29|43|48|69|70|78|79|80|96|97).*)$". could not get the NOT MATCH part done.

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.net - RegEx Pattern To Extract URLs?

Mar 3, 2012

I have to extract all there is between this caracters:

<a href="/url?q=(text to extract whatever it is)&amp

I tried this pattern, but it's not working for me:

/(?<=url?q=).*?(?=&amp)/

I'm programming in Vb.net, this is the code, but I think that the problem is that the pattern is wrong:

[Code]...

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