I'm trying to parse an HTTP GET request to determine if the url contains any of a number of file types. If it does, I want to capture the entire request. There is something I don't understand about ORing. The following regular expression only captures part of it, and only if .flv is the first int the list of ORd values. (I've obscu...
Regex rx = new Regex(@"[+-]"); string[] substrings = rx.Split(expression); expression = "-9a3dcbh-3bca-4ab4cf-3hc" //This is the iput string I want to split that string between + or -. My VS debugger shows substring array like this: substrings[0] = null //???Why substrings[1] = 9a3dcbh substrings[2] = 3bca substrings[3] = 4ab4...
My HTML looks like this: <td class="main"><b>Product Weight (2.83 lbs in 1 container)</b></td> I need to get the value 2.83 from the HTML. Need help with the regex. I have this: Pattern p = Pattern.compile( "<td\\sclass=\"main\"><b>Product\\sWeight\\s\\s((?:\\d+\\.)?\\d+ \\w{3})"); But doesn't seem to be working. Am I mi...
This is the input string: 23x^45*y or 2x^2 or y^4*x^3. I am matching ^[0-9]+ after letter x. In other words I am matching x followed by ^ followed by numbers. Problem is that I don't know that I am matching x, it could be any letter that I stored as variable in my char array. For example: foreach (char cEle in myarray) // cEle is lett...
Below is an example that is producing an exception in Java (and not matching the input). Perhaps I misunderstood the JavaDoc, but it looks like it should work. Using the same pattern and input in C# will produce a match. import java.util.regex.Matcher; import java.util.regex.Pattern; public class Main { public static void main(Str...
I am trying to create a regex that will take all files that do not have a list of extensions. In particular, I am trying to filter out filenames that end in .csv I have browsed around for an hour and been unable to figure this out. I am using .NET Regex. ...
I need to Match the second and subsequent occurances of the * character using a regular expression. I'm actually using the Replace method to remove them so here's some examples of before and after: test* -> test* (no change) *test* -> *test test** *e -> test* e Is it possible to do this with a regular expression? Thanks ...
I'm trying to come up with a validation expression to prevent users from entering html or javascript tags into a comment box on a web page. The following works fine for a single line of text: ^(?!.*(<|>)).*$ ..but it won't allow any newline characters because of the dot(.). If I go with something like this: ^(?!.*(<|>))(.|\s)*$ i...
I have looked at many questions here (and many more websites) and some provided hints but none gave me a definitive answer. I know regular expressions but I am far from being a guru. This particular question deals with regex in PHP. I need to locate words in a text that are not surrounded by a hyperlink of a given class. For example, I ...
What is a regular expression for strings of 0 and 1 with an even number of zeros and an even number of ones? I have something like (1*01*01*)*(0*10*10*)*. Does it look good? ...
Hi, I am a newbie in powershell. I have a simple powershell script that just replace text but I found that the regex replace turn my multiline data source into a single line text when the output is produced. I want the line breaks to be preserved. Here is the dumb down version of the script. $source=(Get-Content textfile.txt) $process1...
I have this Regex: <(\d+)>(\w+\s\d+\s\d+(?::\d+){2})\s([\w\/\.\-]*)(.*) What I want to do is to return FALSE(Not matched) if the third group is "MSWinEventLog" and returning "matched" for the rest. <166>Apr 28 10:46:34 AMC the remaining phrase <11>Apr 28 10:46:34 MSWinEventLog the remaining phrase <170>Apr 28 10:46:34 Avantail the re...
Provided a url, within a string of text (tweet) such as "Check out my twitpic http://twitpic.com/1876544594 its awesome" I need a Rails regex that will return 18744594, the id of this particular twitpic... This question has been asked here but was for PHP, and I need it for Rails. I would also be able to pull the name of the site, s...
This is my first question on this wonderful website. Lets say I have a string $a="some text..%PROD% more text" There will be just one %..% in the string. I need to replace PROD between the % with another variable content. So I used to do: $a = str_replace('%PROD%',$var,$a); but now the PROD between % started coming in different case...
I have this text: Lorem ipsum dolor sit {something.something({print.print(param1,param2)},param2)}, consectetur adipiscing elit. Where i need a pattern that can replace everything but: something.something The text something.something can contain [a-zA-Z.] (I am using preg_replace) Here is a site where you can test the code:...
I have a url which looks like this https://test.high.com/people/11111111-name-firstname-_custa/deals/new Now i need to match document.URL if im on that Page if so i will alert a message. The important part is /deals/new How can i match that in Javascript? ...
I'm not familiar with the how regular expressions treat hexadecimal, anyone knows? ...
In Netbeans the "Replace command"(ctrl+H) has a regular expression checkbox so that i can search and replace in the document using regex's. Also i can replace using a backreference. The question is can i use a backreference in a calculation and then use it? For example with the use of "([0-9]{1})" in the "Find what" i will find all the...
Hello, I need to split long string into a array with following constrains: The input will be HTML string, may be full page or partial. Each part (new strings) will have a limited number of character (e.g. not more than 8000 character) Each part can contain multiple sentences (delimited by . [full stop]) but never a partial sentences. ...
Hi to all, if I have a string like 'foo(bar)', with the following code i can almost parse it the way i want: $results = array(); preg_match( "/\w*(?=(\(.*\))?)/", 'foo(bar)', &$results ); print_r($results); /* Array ( [0] => foo [1] => (bar) ) */ How can I modify the regex to have bar instead of (bar)? Thanks ...