How extract part of an URL in PHP?
- by achairapart
So, I have this url in a string:
http://www.domain.com/something/interesting_part/?somevars&othervars
in PHP, how I can get rid of all but "interesting_part"?
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Search found 10005 results on 401 pages for 'regex trouble'.
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Replacing multiple `-` with one `-` without regexp
- by Adam Kiss
I've seen so many misuses of RegExp, I don't really like it :) I have string (as a result of two str_replaces) that might look something like this: .?This iš my ".stRiNg."! | V --this-is-my---string--- Is there any way better than $string = trim(preg_replace('/[-]+/u','-', $string),'-'); to get: this-is-my-string ?Read the article
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How to find all javascript on page with php given url?
- by QuinnBaetz
In php how would I grab all javascript from a page given it's url? Is there a good regular expression to get the src of all javascript script tags or the script inside of them?Read the article
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sed: group capturing
- by Michael
Is there any way to tell sed to output only captured groups? for example given by input: This is a sample 123 text and some 987 numbers and pattern /([\d]+)/ I could get only 123 and 987 output in the way formatted by back references perhaps?Read the article
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How to use Regular Expression to extract information from a HTML webpage?
- by user569248
How to use Regular Expression to extract the answer "Here is the answer" from a HTML webpage like this? <b>Last Question:</b> <b>Here is the answer</b> ..:: Update ::.. Thanks everybody! Here is my solution by using BeautifulSoup since I'm using Python framework: response = opener.open(url) the_page = response.read() soup = BeautifulSoup(''.join(the_page)) paraText1 = soup.body.find('div', 'div_id', text = u'Last Question:') if paraText1: answer = paraText1.nextRead the article
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Help Me Writing a Simple Regular Expression
- by peace
I have the following text: txtAddressSup.Text I want the Sup to be replaced by Cus while the whole text remains as is. I have many texts that are in this format: xxxxxxxSup.xxxxxRead the article
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How do I replace multiple spaces with a single space in C#?
- by Pokus
How can I replace multiple spaces in a string with only one space in C#? Example "1 2 3 4 5" would be : "1 2 3 4 5"?Read the article
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What charectar range would this represent (regular expression)?
- by Alex
Recently I came across a character range that was the following: [/-+] My very simple question is, is this even a valid charectar range? If so, what range of charectars would it match?Read the article
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javascript regular expressions
- by Zhasulan Berdybekov
Help me with regular expressions. I need to check the text on the hour and minute. That is the first case, the text can be from 0 to 12. In the second case, the text can be from 1 to 60. this is my code: var hourRegEx = /^([0-9]{2})$/; //You can fix this line of code? $(document).ready( function(){ $('form.form').submit(function(){ if( $('input.hour').val().match(hourRegEx) ){ return true; } return false; }); }); In my case, the code says that, for example 52, too, the correct answerRead the article
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Get version number from String in Javascript?
- by heffaklump
I have a version number with 3 digits as a String, var version = "1.2.3"; and would like to compare it to another version. To see if version is newer than otherversion, var otherVersion = "1.2.4"; How would you do it?Read the article
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Why doesn't this ruby code compare regex ?
- by gagagag
if string == /\s{1,}/ or string == /\n{1,}/ puts "emptiness..." endRead the article
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What does the $1$2$4 mean in this preg_replace?
- by Taylor
Got this function for ammending the query string and was wondering what the replacement part of the pre_replace meant (ie- $1$2$4). function add_querystring_var($url, $key, $value) { $url = preg_replace('/(.*)(\?|&)' . $key . '=[^&]+?(&)(.*)/i', '$1$2$4', $url . '&'); $url = substr($url, 0, -1); if (strpos($url, '?') === false) { return ($url . '?' . $key . '=' . $value); } else { return ($url . '&' . $key . '=' . $value); } } Not too familiar with regular expression stuff. I get the various parts to preg_replace but not 100% about the use of '$1$2$4' in the replacement part.Read the article
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In Perl, how to match several prefixes
- by xorsyst
I have 2 input files. One is a list of prefix and lengths, like this: 101xxx 102xxx 30xx 31xx (where x is any number) And another is a list of numbers. I want to iterate through the second file, matching each number against any of the prefix/lengths. This is fairly easy. I build a list of regexps: my @regexps = ('101...', '102...', '30..', '31..'); Then: foreach my $regexp (@regexps) { if (/$regexp/) { # do something But, as you can guess, this is slow for a long list. I could convert this to a single regexp: my $super_regexp = '101...|102...|30..|31..'; ...but, what I need is to know which regexp matched the item, and what the ..s matched. I tried this: my $catching_regexp = '(101)(...)|(102)(...)|(30)(..)|(31)(..)'; but then I don't know whether to look in $1, $3, %5 or $7. Any ideas? How can I match against any of these prefix/lengths and know which prefix, and what the remaining digits where?Read the article
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What character range would this represent (regular expression)?
- by Alex
Recently I came across a character range that was the following: [/-+] My very simple question is, is this even a valid character range? If so, what range of characters would it match?Read the article
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Detect some conflictive characters in a string with javascript
- by FranQ
Hello. I have a file input in a form that uploads a mp3 file, but I´d like to detect conflictive characters to my system in the filename, like ! @ or any other. All codes I´ve found replace these characters, but I just want to detect them to alert the user. I think it will be easy with regular expressions, but I dont know about them. I´m using jquery/javascript. Thanks in advance for your help Edit to improve my problem description: I´m working in a CodeIgniter application that allows user to upload mp3 files to the server. I use jQuery to manage client side forms. The CI upload class converts spaces in the file name to underscores and everything works. But testing the application I uploaded a mp3 file with a (!) in the name, and I got troubles with it. I just want to insert a javascript conditional before the file is uploaded to evaluate if the user´s filename contains a (!) (or any other I´d like to add later) to ask for the file to be renamed if it does.Read the article
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Getting all matches for a regexp on clojure
- by Deleteman
I'm trying to parse an HTML file and get all href's inside it. So far, the code I'm using is: (map #(println (str "Match: " %)) (re-find #"(?sm)href=\"([a-zA-Z.:/]+)\"" str_response)) str_response being the string with the HTML code inside it. According to my basic understanding of Clojure, that code should print a list of matches, but so far, no luck. It doens't crash, but it doens't match anything either. I've tried using re-seq instead of re-find, but with no luck. Any help? Thanks!Read the article
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Regular expression - stop at first match
- by publicRavi
My pattern looks something like <xxxx location="file path/level1/level2" xxxx some="xxx"> I am only interested in the part in quotes assigned to location. Shouldn't it be as easy as below without the greedy switch? Does not seem to work :( /.*location="(.*)".*/Read the article
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Convert to lowercase in a mod_rewrite rule.
- by dreeves
I would like URLs like server.com/foo to be case-insensitive. But server.com/foo actually gets mod_rewrite'd to server.com/somedir/foo (Assume that all the files in "somedir" are lower case.) So the question is, how to accomplish a mod_rewrite like the following: RewriteRule ^([^/]+)/?$ somedir/convert_to_lowercase($1)Read the article
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PHP - regular expression to remove beginning and end chars from a string?
- by John
Let's say I have a string like so: $file = 'widget-widget-newsletter.php'; I want to use preg_replace() to remove the prefix widget- and to remove the suffix .php . Is it possible to use one regular expression to achieve all this? The resulting string should be widget-newsletter.Read the article
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How to find if string contains letters and spaces (php)?
- by Ole Jak
So I need to get value false or true if string contains not only letters of all european and east alphabets and " "(space) and "-" minus. How to do such thing with some $a string?Read the article
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How can I get the file extensions from relative links in HTML text using Perl?
- by Structure
For example, scanning the contents of an HTML page with a Perl regular expression, I want to match all file extensions but not TLD's in domain names. To do this I am making the assumption that all file extensions must be within double quotes. I came up with the following, and it is working, however, I am failing to figure out a way to exclude the TLDs in the domains. This will return "com", "net", etc. m/"[^<>]+\.([0-9A-Za-z]*)"/g Is it possible to negate the match if there is more than one period between the quotes that are separated by text? (ie: match foo.bar.com but not ./ or ../) Edit I am using $1 to return the value within parentheses.Read the article
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Can i exclude a word in my pattern?
- by acidzombie24
I know i can do something like ab[^c]+def which should match ab_blah_hi_blah_def but is there a way to do something like ab(^hi)+def which will exclude the word hi causeing ab_blah_hi_blah_def to fail? but not ab_blah_h_i_blah_defRead the article
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is there any way to make my jquery search better ?
- by From.ME.to.YOU
Hello var myarr= Array('test1','test2','test3'); var searchTerm = "test"; var rSearchTerm = new RegExp( searchTerm,'i'); $.each(myarr, function(i) { if (myarr[i].match(rSearchTerm)) { //item found } });? guys is there any way to make my search algorithm better ? "myarr" will be a big array so i want to make sure that i'm using the best way to search in it thanks alotRead the article
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partial string matching - R
- by DonDyck
I need to write a query in R to match partial string in column names. I am looking for something similar to LIKE operator in SQL. For e.g, if I know beginning, middle or end part of the string I would write the query in format: LIKE 'beginning%middle%' in SQL and it would return matching strings. In pmatch or grep it seems I can only specify 'beginning' , 'end' and not the order. Is there any similar function in R that I am looking for? For example, say I am looking in the vector: y<- c("I am looking for a dog", "looking for a new dog", "a dog", "I am just looking") Lets say I want to write a query which picks "looking for a new dog" and I know start of the string is "looking" and end of string is "dog". If I do a grep("dog",y) it will return 1,2,3. Is there any way I can specify beginning and end in grep?Read the article
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I am searching for a string like Cityname, State in mysql table where state name is 2 letter char.
- by subson
I am searching for a string like Cityname, State (e.g.Moline,IL) in mysql table. How can i make the query using regexp in mysql.Read the article
