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• Remove numeric prefix from string - PHP regex

  - by Pekka

  Would somebody care to help me out with a regex to reliably recognize and remove any number, followed by a dot, in the beginning of a string? So that 1. Introduction becomes Introduction and 1290394958595. Appendix A becomes Appendix A

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• Help with regex - extracting text.

  - by Yeti

  I have 3 separate strings: $d = 'Created on November 25, 2009'; $v = 'Viewed 17,603 times'; $h = '389 hits'; Which needs to be converted to: $d1 = {unix timestamp of November 25, 2009}; $v1 = "17603"; (commas stripped if it exists) $h1 = "389"; What is the most efficient way to do this (possibly with regex)? Any code snippet would be great.

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• RegEx for Dynamic URL Goals settings in Google Analytics

  - by gaaustralia

  Hi, I have tried to work this regex to set up a goal in GA for 2 days, but I cannot get my head around it... The url format is like this: /purchase.php?cDd=1&transaction_id=xxxxxxx&verify=xxxxxxxxxxxxxxxx=&method=creditcard&type=purchase transaction_id= is populated with a sept of numbers verify= is populated by a string of numbers, letters in both caps and lower case Basically I would like to only match URLs which finish by "&method=creditcard&type=purchase" I have tried to just put &method=creditcard&type=purchase but it does retrieve other URLs too Would anyone has any ideas

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• Match Regex across newlines?

  - by Jörg Battermann

  I have a regex ( "(&lt;lof&lt;).*?(&gt;&gt;)" ) that works and matches perfectly on single line input. However, if the input contains newlines between the two () parts it does not match at all. What's the best way to ignore any newlines at all in that case?

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• Regex, match "private function", "public function" or just "function"

  - by M28

  I am getting some problems while trying to use this regex: (public +function|private +function|function) + For some reason, $1 and $2 are returning the same value. How can I fix that? By the way, I am using Javascript

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• Perl - how to access dot within regex?

  - by goe

  Hi, I use this codition to check if the value is alphanumeric values: $value =~ /^[a-zA-Z0-9]+$/ How can I modify this regex to account for a possible dot "." in the value without accepting any other special characters?

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• .NET Regex Instance Caching

  - by jvenema

  I've read this article, which describes how instance vs static methods get called with a .NET regex. However, what about if the instance itself is static? Does anyone know if .NET does any sort of caching that could potentially cause a memory leak?

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• Regex: Getting content from url

  - by farazshuja

  i want to get "the-game" using regex from urls like http ://www.somesite.com.domain.webdev.domain.com/en/the-game/another-one/another-one/another-one/ http ://www.somesite.com.domain.webdev.domain.com/en/the-game/another-one/another-one/ http ://www.somesite.com.domain.webdev.domain.com/en/the-game/another-one/ Just created space after http, as its not allowing me to post more links

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• Regex to remove multi line comments

  - by M28

  I am trying to use this regex (JS): /\/\*(.*)\*\//g To replace /* sdandsads */ with nothing. But it is not working! Why? o_O

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• Regex to match card code input

  - by kate

  How can I write a regex to match strings following these rules? 1 letter followed by 4 letters or numbers, then 5 letters or numbers, then 3 letters or numbers followed by a number and one of the following signs: ! & @ ? I need to allow input as a 15-character string or as 3 groups of 5 chars separated by one space. I'm implementing this in JavaScript.

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• spring security filter-chain regex pattern

  - by lewap

  In my application which uses spring security I want to define two different areas both using their own spring security filter-chain. My question is: is it possible to define two regex expressions as follows: every path starting with /foobar/* every other path not starting with /foobar The important part here is that the second path should also match if somewhere within it, but not in the beginning, it cotains the /foobar/ string. Thanks

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• C# Regex: Capture everything up to...

  - by JamesBrownIsDead

  I want to capture everything up to (not including) a # sign in a string. The # character may or may not be present (if it's not present, the whole string should be captured). What would the RegEx and C# code for this by? I've tried: ([^#]+)(?:#) but it doesn't seem to work.

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• Need a regex for .h or .cpp

  - by wowus

  I need a regex for finding all .h, .c, and .cpp files in a folder. Help? [no, this isn't homework, I just don't have time to learn regexes right now]

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• What's the regex to solve this problem?

  - by Yeti

  I have an array in PHP with URLs like below: http://example.com/apps/1235554/ http://example.com/apps/apple/ http://example.com/apps/126734 http://example.com/images/a.jpg http://example.com/images/b.jpg http://example.com/apps/2331234/ http://example.com/apps/orange/ How can I separate out these urls and push them to another array using Regex: http://example.com/apps/1235554/ http://example.com/apps/126734 http://example.com/apps/2331234/ Only url with apps/{number}/ and apps/{number} should be selected.

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• Regex Matches not working as excepted

  - by Eibx

  Hi StackOverflow, I'm trying to group the following string into three groups. 0:0:Awesome:awesome That being "0", "0" and "Awesome:awesome" Using this regular expression: ^([0-9]+)\:([0-9]*)\:(.*)$ It works fine on online regex services: http://rubular.com/r/QePxt57EwU But it seems like .NET doesn't agree.

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• Regex javascript to match href

  - by zx

  Hello, <u class="logout" href="/logout.php?h=970c9836674709e6dcdaadd094622fc5&t=1273295318" target="_top">Logout</u> That above is what I want to search for. I want to get h= and t= from that URL, or just get the entire url in href="" How would I do this with regex?

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• Matching 'weird' characters in PHP regex

  - by Bill X

  I have some strings that need a-strippin': ÃœT: 9.996636,76.294363 Tons of long strings of location codes. A literal regex in PHP won't match them, IE $pattern = /ÃœT:/; echo preg_replace($pattern, "", $row['location']); Won't match/strip anything. (To know it's working, /T:/ does strip the last bit of that string). What's the encoding error doing on here? Alternately, I would accept a concise way to take out just the numbers.

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• Regex match numerical range

  - by gmcalab

  I am trying to write a simple regex to match a percentage value range 1%-100% Is there a better way to write this? ^([1-9]|[1-9][0-9]|100)%$

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• How can I make this Perl regex work?

  - by Geo

  I have this line ( it's a single line, SO makes it seem like 2 ): /Od /D "WIN32" /D "_DEBUG" /FD /EHa /MDd /Fo"Debug" /Fd"Debug\vc80.pdb" /W3 /c /Zi /clr /TP .\main.cpp" And I want to extract the .\main.cpp. I thought the following would do the trick: if($string =~ /.*\s+(.*)$/i) { print "matched ",$1,"\n"; } because this same regex works in Ruby, and extracts the string I required. How can I get it working?

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• Multi-line regex support in Vim

  - by Daniel

  I notice the standard regex syntax for matching across multiple lines is to use /s, like so: This is\nsome text /This.*text/s This works in Perl for instance but doesn't seem to be supported in Vim. Instead, I have to be much more specific: /This[^\r\n]*[\r\n]*text/ I can't find any reason for why this should be, so I'm thinking I probably just missed the relevant bits in the vim help. Can anyone confirm this behaviour one way or the other?

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• Matching non-[a-zA-Z] characters in PHP regex

  - by Bill X

  I have some strings that need a-strippin': ÃœT: 9.996636,76.294363 Tons of long strings of location codes. A literal regex in PHP won't match them, IE $pattern = /ÃœT:/; echo preg_replace($pattern, "", $row['location']); Won't match/strip anything. (To know it's working, /T:/ does strip the last bit of that string). What's the encoding error going on here? Alternately, I would accept a concise way to take out just the numbers.

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• Using JavaScript regex to strip substring that contains parentheses

  - by cathat

  I have a string called myString that contains some part the end that I do not want: var myString = 'The sentence is good up to here foo (bar1 bar2)'; var toBeRemoved = 'foo (bar1 bar2)'; How can I use best JavaScript regex to remove the part I don't want. The method replace() seems to have a problem with the parentheses.

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• MSBuild 4.0 Regex parsing

  - by Chandam

  I have heard that MSBuild 4.0 has increased Regex parsing support. However, I am unable to find any detailed documentation/links/material on this. Can anyone give a brief description of the new features and/or possibly give pointers to more material? Thanks in advance.

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• php regex - can't find the error

  - by peirix

  Just one simple, specific question: I've got the string {var1}12345{var2}, and I want to get the variable names used. if (preg_match("/{([a-zA-Z0-9]*)}/g", $url, $matches)) { print_r($matches); } If I remove the global flag, it works, but I only get the first variable, as expected. Why isn't it working with a global flag? It works when I'm testing it with the Regex Tester

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• Using a regex to match IP addresses in Python

  - by MHibbin

  I'm trying to make a test for checking whether a sys.argv input matches the regex for an IP address... As a simple test, I have the following... import re pat = re.compile("\d{1,3}.\d{1,3}.\d{1,3}.\d{1,3}") test = pat.match(hostIP) if test: print "Acceptable ip address" else: print "Unacceptable ip address" However when I pass random values into it, it returns "Acceptable ip address" in most cases, except when I have an "address" that is basically equivalent to \d+ Any thoughts welcome. Cheers Matt

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