regex

POSIX regexp for finding everything between wordX and wordY

I have string as: FOO /some/%string-in.here BAR I would like to get everything between FOO and BAR but NOT including FOO[:space:] and NOT including [:space:]BAR Any ideas it will be appreciate it. ...

regular expression of 0's and 1's

Hello all I got this question which asks me to figure out why is it foolish to write a regular expression for the language that consists of strings of 0's and 1's that are palindromes( they read the same backwards and forwards). part 2 of the question says using any formal mechanism of your choice, show how it is possible to express t...

Extract a pattern from the output of curl

I would like to use curl, on the command line, to grab a url, pipe it to a pattern, and return a list of urls that match that pattern. I am running into problems with greedy aspects of the pattern, and can not seem to get past it. Any help on this would be apprecaited. curl http://www.reddit.com/r/pics/ | grep -ioE "http://imgur\.com/...

regular expression that ignores case of first character

I know JavaScript regular expressions can ignore case for the entire match, but what about just the first character? Then hello World! would match Hello World! but not hello world!. ...

jQuery: select all inputs with unique id (Regex/Wildcard Selectors)

I have some textboxes on a webform that have ids like this: txtFinalDeadline_1 txtFinalDeadline_2 txtFinalDeadline_3 txtFinalDeadline_4 In my jQuery how do I find all of those in order to assign a value to them. Before I had the underscore and they were all named txtFinalDeadline I could do this and it worked. $(this).find("#txtFinalDe...

Whats the difference between \z and \Z in a regular expression and when and how do I use it?

From http://java.sun.com/j2se/1.5.0/docs/api/java/util/regex/Pattern.html: \Z The end of the input but for the final terminator, if any \z The end of the input But what does it mean in practice? Can you give me an example when I use either the \Z or \z. In my test I thought that "StackOverflow\n".matches("StackOverflow\\z") will re...

Examples of regex matcher \G (The end of the previous match) in Java would be nice

Do you haven any useful example of the boundary matcher "\G"`? Please give me some real world examples. Java source is appreciated. From "Mastering regular expressions. Jeffrey E. F. Friedl" I got an useful example parsing HTML but I am not sure how if a translation to Java is possible. ...

How to strip out all characters except for numbers, letters, quotes, and colons/semi-colons?

Hello, I have a document that I'm parsing text out of - I'm trying to figure out how to use this RegEx expression to take out everything that isn't alphanumeric, but I want to keep quotes, ampersands and colons/semi-colons. s = Regex.Replace(s, @"[^\w-]+", " "); How can I add a replace all of these "except these" patte...

Need help with regex blank space

How to replace from regex many empty/blank characters with none? ex: <div class="someClass" id="someID"> ...bunch of elements/content <input type="button" name="myInput" id="inputID" title="myInput Title" /> ...bunch of elements/content </div> when replaced : <a class="myselector" rel="I need this value"></a><div class="someC...

Replacing certain words with links to definitions using Javascript

I am trying to create a glossary system which will get a list of common words and their definitions via ajax, then replace any occurrence of that word in certain elements (those with the useGlossary class) with a link to the full definition and provide a short definition on mouse hover. The way I am doing it works, but for large pages i...

Assign RegEx submatches to variables or map (C++/C)

I need to extract the SAME type of information (e.g. First name, Last Name, Telephone, ...), from numerous different text sources (each with a different format & different order of the variables of interest). I want a function that does the extraction based on a regular expression and returns the result as DESCRIPTIVE variables. In ot...

Help to write regular expression

Hello, I have to get any text between: Final-Recipient: RFC822; !HERE! Action I need !HERE! from this example. There could be any string. I tried something like: $Pattern = '/Final-Recipient: RFC822; (.*) Action/'; But it doesn't work. upd Here is the string I'm trying to parse: http://dpaste.com/187638/ ...

How do I express ":" but not preceded by "\" in a Java regular expression?

How can I express "not preceded by" in a Java regular expression? For example I would like to search for ":" but only when it is not directly preceded by "\". How can I do this? ...

RegEx in PHP: find the first matching string

I want to find the first matching string in a very very long text. I know I can use preg_grep() and take the first element of the returned array. But it is not efficient to do it like that if I only need the first match (or I know there is exactly only one match in advance). Any suggestion? ...

PHP - preg_match_all - iCalendar - REGEX

Hi All guys! ;-) i need help with creating a regex for putting all values into an array! assuming we have a huge file full of theese: Classic iCalendar style: so we know that each segment start with BEGIN:VEVENT and end with END:VEVENT ... END:VEVENT BEGIN:VEVENT UID:e3cafdf3-c5c7-427e-b8c3-653015e9321a SUMMARY:Some Text Here DESC...

php clean up regex

hey can i clean up a preg_match in php from this: preg_match_all("/(".$this->reg['wat'].")?(".$this->reg['wat'].")?(".$this->reg['wat'].")?(".$this->reg['wat'].")?(".$this->reg['wat'].")?(".$this->reg['wat'].")?(".$this->reg['wat'].")?/",$value,$match); to look like this: preg_match_all("/ (".$this->reg['wat'].")? (".$this->reg...

Python regular expressions assigning to named groups

When you use variables (is that the correct word?) in python regular expressions like this: "blah (?P\w+)" ("value" would be the variable), how could you make the variable's value be the text after "blah " to the end of the line or to a certain character not paying any attention to the actual content of the variable. For example, this is...

How to find which delimiter was used during string split (VB.NET)

Hi all, lets say I have a string that I want to split based on several characters, like ".", "!", and "?". How do I figure out which one of those characters split my string so I can add that same character back on to the end of the split segments in question? Dim linePunctuation as Integer = 0 Dim myString As String = "some tex...

regex for matching strings that have illegal filename characters.

I been trying to figure out how this blasted regex for two hours!!! It's midnight I gotta figure this out and go to bed!!! String str = new String("filename\\"); if(str.matches(".*[?/<>|*:\"{\\}].*")) { System.out.println("match"); }else { System.out.println("no match"); } ".*[?/<>|*:\"{\\}].*" is my regex expression. It cat...

trim phone number with regex

Probably an easy regex question. How do I remove all non-digts except leading + from a phone number? i.e. 012-3456 => 0123456 +1 (234) 56789 => +123456789 ...