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  • C# + RegEx for letters and spaces

    - by user70192
    Hello, I am trying to create a regular expression in C# that allows only alphanumeric characters and spaces. Currently, I am trying the following: string pattern = @"^\w+$"; Regex regex = new Regex(pattern); if (regex.IsMatch(value) == false) { // Display error } What am I doing wrong? Thank you!

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  • Regex for circular replacement

    - by polygenelubricants
    How would you use regex to write functions to do the following: Replace lowercase 'a' with uppercase and vice versa Where words are separated by whitespaces and > and < are special markers, replace >word with word< and vice versa Replace postincrement (i++;) with preincrement (++i;) and vice versa. Variable names are [a-z]+. Input is

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  • NSPredicate and Regex

    - by Dave
    Can someone please help me with using Regex with NSPredicate? NSString *regex = @"(?:[A-Za-z0-9])"; NSPredicate *pred = [NSPRedicate predicateWithFormat:@"SELF MATCHES %@", regex]; if ([pred evaluateWithObject:mystring]) { //do something } testing the above wth mystring - qstring123 doesn't seem to work. I am expecting it to enter the if

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  • regular expression with "|"

    - by WtFudgE
    I need to be able to check for a pattern with | in them. For example an expression like d*|*t should return true for a string like "dtest|test". I'm no regular expression hero so I just tried a couple of things, like: Regex Pattern = new Regex("s*\|*d"); //unable to build because of single backslash Regex Pattern = new Regex("s*|*d");

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  • Rub, regex, sentences

    - by Perello
    I'm currently building a code generator, which aim to generate boiler plate for me once i wrote the templates and/or translations, whatever the language i have to work with, and it has an educationnal part :p. So i have a problem with a regex in ruby. The regex aim to select whatever is between {{{ and }}}, so i can generae functions

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  • Replace named group in regex

    - by Tomas Voracek
    I want to use regular expression same way as string.Format. I will explain I have: string pattern = "^(?<PREFIX>abc_)(?<ID>[0-9])+(?<POSTFIX>_def)$"; string input = "abc_123_def"; Regex regex = new Regex(pattern, RegexOptions.IgnoreCase); string replacement = "456"; Console.WriteLine(regex.Replace(input,

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  • C++: what regex library should I use?

    - by Stéphane
    I'm working on a commercial (not open source) C++ project that runs on a linux-based system. I need to do some regex within the C++ code. (I know: I now have 2 problems.) QUESTION: What libraries do people who regularly do regex from C/C++ recommend I look into? A quick search has brought the following to my

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  • Nginx location regex is not matching

    - by shtuff.it
    The following has been working to cache css and js for me: location ~ "^(.*)\.(min.)?(css|js)$" { expires max; } results: $ curl -I http://mysite.com/test.css HTTP/1.1 200 OK Server: nginx Date: Thu, 16 Jan 2014 18:55:28 GMT Content-Type: text/css Content-Length: 19578 Last-Modified: Mon, 13 Jan 2014

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  • R Cookbook, de Paul Teetor, critique par ced

    Bonjour, La rédaction de DVP a lu pour vous l'ouvrage suivant: R Cookbook, de Paul Teetor, paru aux éditions O'Reilly. [IMG]http://covers.oreilly.com/images/9780596809164/lrg.jpg[/IMG] Citation: With more than 200 practical recipes, this book helps you perform data analysis with R quickly

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  • Oracle JDeveloper 11gR2 Cookbook book review

    - by Chris Muir
    I recently received a free copy of Oracle JDeveloper 11gR2 Cookbook published by Packt Publishing for review. Readers of technical cookbooks would know this genre of text includes problems that developers will hit and the prescribed solutions, in this case for Oracle's Application Development

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  • Can I write this regex in one step?

    - by Marin Doric
    This is the input string "23x +y-34 x + y+21x - 3y2-3x-y+2". I want to surround every '+' and '-' character with whitespaces but only if they are not allready sourrounded from left or right side. So my input string would look like this "23x + y - 34 x + y + 21x - 3y2 - 3x - y + 2". I wrote this

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  • Infinite loop in regex in java

    - by carpediem
    Hello, My purpose is to match this kind of different urls: url.com my.url.com my.extended.url.com a.super.extended.url.com and so on... So, I decided to build the regex to have a letter or a number at start and end of the url, and to have a infinite number of "subdomains" with

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  • .NET regex: Match.nextMatch() never returns

    - by Jimmy
    I have a regex that seems to have worked fine for the past year or so, and all of a sudden today with a new slightly different text to match against, Match.nextMatch() never returns. I'm no regex expert and I'm sure the regex can be optimized, but previous data sets weren't much

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  • Batch-Renaming Movies using Regex

    - by Nate Mara
    So, I've been trying to rename some movie files using regular expressions, but so far I have been only marginally successful. The goal is to parse files like this: 2001.A.Space.Odyssey.1968.720p.BluRay.DD5.1.x264-LiNG.mkv And rename them Like this: 2001 A Space Odyssey

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  • test filenames for regex patterns in bash

    - by rk
    I'm not sure exactly how the code should be written but I want to test a file/folder for naming patterns, something like: if [ -d $i ] && [ regex([0-9].,$i) { do something } I want it to check if the file/folder is a directory and that the name

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  • Regex in Notepad++ 6

    - by Rocket
    So, Notepad++ got updated to v6.0. One of their new features is PCRE (Perl Compatible Regular Expressions). I tried to use this new feature to find and replace things in a file. I tried the regular expression: {\$([a-zA-Z_]*)} and it yelled at me, saying "Invalid

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