regex

.Net regex: what is the word character \w?

Simple question: What is the pattern for the word character \w in c#, .net? My first thought was that it matches [A-Za-z0-9_] and the documentation tells me: Character class Description Pattern Matches \w Matches any \w "I", "D", "A", "1", "3" word character. ...

Recursive multiline sed - remove beginning of file until pattern match.

I have nested subdirectories containing html files. For each of these html files I want to delete from the top of the file until the pattern <div id="left- This is my attempt from osx's terminal: find . -name "*.html" -exec sed "s/.*?<div id=\"left-col/<div id=\"left-col/g" '{}' \; I get a lot of html output in the termainal, but no f...

A quick regular expression needed

I want a regular expression which ALLOWS only this: letter a-z case insensitive allows underscores allows any nrs How should this be written? Thanks ...

Passing values into regex match function

In python (it's a Django filter), I'm doing this: lReturn = re.sub(r'\[usecase:([ \w]+)]', r'EXTEND WITH <a href="/usecase/%s/\1/">\1</a>' % pCurrentProjectName, lReturn) I'd like to use a function instead of a string (so I can check that the usercase is a valid name), so it would change to this: def _match_function(matchobj): lM...

Regular Expression to match IP address + wildcard

Hey guys 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. Doe...

[NGINX] How do you hide .git project directories?

Now that I have nginx setup I need to be able to hide my .git directories. What kind of rewrite would I need to stop prying eyes? And where in the server {} or http {} block would it go? ...

What/When would this regular expression match?

I was reading about regular expressions (I'm a regex newbie, but want to learn them) and came across this regex: /^(?!http:\/\/www.google.com).*/ and I didn't know what or when it would match...so my question is just that, what/when would this regex match? Thanks for helping out a regex padawan! ...

Function of: if(/(file|http).*/.test(url)) { }

I am wondering what this technique is called and what it does. It seems to be validating some regular expression on the variable url. I am customizing another persons code: var url = document.getElementById("editorURL").value; if(/(file|http).*/.test(url)) { } Maybe someone has a link to an article that explains this a bit more in...

Trim spaces from start and end of string

Trying to find a way to trim spaces from the start and end of the string. I was using this, but it dont seem to be working: title = title.replace(/(^[\s]+|[\s]+$)/g, ''); Any ideas? ...

How Do I grep For non-ASCII Characters in UNIX

I have several very large XML files and I'm trying to find the lines that contain non-ASCII characters. I've tried the following: grep -e "[\x{00FF}-\x{FFFF}]" file.xml But this returns every line in the file, regardless of whether the line contains a character in the range specified. Do I have the syntax wrong or am I doing somethin...

How to match a period in Regex coming from Firefox browser?

I have the following C# code which should match a quantity / $ price string like "4/$3.99". It works all day long until we use it against a string returned from Firefox Browser. 77.77 becomes 77 (dropping the .77 cents). var matches = Regex.Match(_priceText, @"^\s?((?<qty>\d+)\s?/)?\s?[$]?\s?(?<price>[0-9]?\.?[0-9]?[0-9]?)"); if...

how to search some character inside string

i have been type some string inside textfield that is "KD-G435MUN2D"... i already use this code for search "UD" character from that string: <script> var str="KD-R435MUN2D"; var patt1=/UD/gi; document.write(str.match(patt1)); </script> but this code doesn't work..where is my fault? ...

Parsing dictionary entries with regex

I'm trying to pull data from Jim Breen's WWWJDIC. The raw data returned has a lot of information delimited in several different formats. The data pulled in the example below is from here: http://www.csse.monash.edu.au/~jwb/cgi-bin/wwwjdic.cgi?1ZUJ%E5%85%88%E7%94%9F 先生 [せんせい] /(n) (1) teacher/master/doctor/(suf) (2) with names of teach...

Regex to match CSV file nested quotes

Hi, I know this has been discussed a million times. I tried searching through the forums and have seen some close regex expressions and tried to modify them but to no avail. Say there is a line in a csv file like this: "123", 456, "701 "B" Street", 910 Is there an easy regex to detect "B" (since its a non-escaped set of quotes within...

need code for search another character

how to modify this code if i want search JD from var str="KD-S35JWD"..i try this but doesn't work: <script type="text/javascript"> var str = "KD-R435jwd"; var hasUD; var hasJD; var hasED; var hasEED; var patt1 = str.match(/U/gi); var patt2 = str.match(/J/gi); var patt3 = str.match(/E/gi); var patt4 = str.match(/EE/gi); var patt5 = str....

how do i get textfield value then combine with regex

i have this code for get data from textfield: <script type="text/javascript"> var mod=document.getElementById("mod").value; ajax(mod); function callback() { if(ajaxObj(mod) { document.getElementById("divResult").innerHTML=ajaxObj.responseText; }); }; </script> this code for show r...

How can I match on, but exclude a regex pattern?

I have this URL: http://example.com/createSend/step4_1.aspx?cID=876XYZ964D293CF&amp;snap=true&amp;jlkj=kjhkjh&amp; And this regex pattern: cID=[^&]* Which produces this result: cID=87B6XYZ964D293CF How do I REMOVE the "cID="? Thanks ...

Easy Javascript Regex Question

Why doesn't this assign prepClass to the string selectorClass with underscores instead of non alpha chars? What do I need to change it to? var regex = new RegExp("/W/", "g"); var prepClass = selectorClass.replace(regex, "_"); ...

Not allow a href tags in form textarea

Hello friends, How can i prevent user to enter any url or link in contact form text area, i have tried it with this but its not working - if (!isset($_POST['submit']) && preg_match_all('/<a.*>.*<\/a>/', $_POST['query'])) { echo "<h1 style='color:red;'>HTML Tag Not allowed </h1>"; } else { //sendmail ...

Regular Expression: Match untill pattern is found

Hi, I want to extract the status from the string untill I found a timespan. My input is something like "Something in start but not with this keyword of sure. STATUS: My Status Is Here Which can be anything but timespan 23:59:01 and so on. I want to extract the string after STATUS: untill 23:59:01 is found. How can i achieve this through ...