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Regular Expressions Not Working

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How does \hline work? Why would you compare 'A' with 0x41? Sum acting weird for large values Do the Infinity Gems spell out Thanos? I've seen benchmarks where the top answer performs better. (I was surprised about that tho.) –Qtax Feb 20 '14 at 13:10 add a comment| up vote 13 down vote Here's how Source

Is it legal to index into a struct? The output of cat /proc/mdstat is shown below. $ cat /proc/mdstat Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10] md1 : active raid5 sda4[0] sdb4[1] sdc4[2] 5858765824 blocks super Exactly which characters are word characters depends on the regex flavor you're working with. Also misses lines like good_stuff #comment_stuff –Xavi Montero Mar 1 '13 at 19:54 add a comment| up vote 28 down vote Benchmarks I decided to evaluate some of the presented Options

Regex Not Word

Using only one operator makes things easier for you. So a list of n characters will have n+1 empty strings. Otherwise, we're at the end of a word.

  1. up vote 4 down vote favorite 2 I'm doing a small javascript method, which receive a list of point, and I've to read those points to create a Polygon in a
  2. Very useful if you do not know whether the document you are searching through is written in American or British English.
  3. Summary: I tried to test most proposed solutions, some Optimizations are possible for certain words.
  4. When applied to the string 833337, it matches 3333 in the middle of this string.
  5. If it is we're at the start of a word.

The only regex engine that supports Tcl-style word boundaries (besides Tcl itself) is the JGsoft engine. Browse other questions tagged javascript regex or ask your own question. Could we parallax measure stars just based on the Earth's size? Javascript Regex Test Not Working These Tcl regex tokens match exactly the same as \b and \B in Perl-style regex flavors.

eg. Regex Not Working C# That said, if your flavor supports \m and \M, the regex engine could apply \m\w+\M slightly faster than \y\w+\y, depending on its internal optimizations. Which security measures make sense for a static web site? The hyphen can be included right after the opening bracket, or right before the closing bracket, or right after the negating caret.

Munchkin: Charity: Giving cards to someone who has 5 already Do I need an Indie Studio Name? Regex Not Working Python Page URL: http://www.regular-expressions.info/wordboundaries.html Page last updated: 01 June 2016 Site last updated: 25 October 2016 Copyright © 2003-2016 Jan Goyvaerts. GNU Word Boundaries The GNU extensions to POSIX regular expressions add support for the \b and \B word boundaries, as described above. Thanks for the comment.

Regex Not Working C#

It returns grey as the match result, and looks no further. If I am looking to retain all lines that Do NOT contain the string hede, I would do it like this: 1. Regex Not Word Keep matching until you see the start of the unwanted string, then only match in the N-1 cases where the string is unfinished (where N is the length of the string). Regex Not Character I'll keep this in mind!

Storing passwords in access-restricted Google spreadsheets? Mysterious LCD interface without wires Puppet-like fantasy characters. See the demo here. POSIX Word Boundaries The POSIX standard defines [[:<:]] as a start-of-word boundary, and [[:>:]] as an end-of-word boundary. Regex Not Working Java

Part should be matched. ^.*$ PART 1 Regex engine will start its execution from the first part. ^hede$(*SKIP)(*F) Explanation: ^ Asserts that we are at the start. However, I'd like to know if it's possible to match lines that don't contain a specific word (e.g. What should I pack for an overland journey in a Bronze Age? have a peek here If you do not want that, you need to use lookaround.

You don't want to do this with Unicode strings :-) –reinierpost Nov 8 '15 at 23:43 add a comment| up vote 18 down vote with this, you avoid to test a Regex Or To find a maximal ideal Impossible Mentoring Task How not to lose confidence in front of supervisor? javascript regex share|improve this question asked Sep 15 '11 at 8:12 J4N 3,9951587153 add a comment| 1 Answer 1 active oldest votes up vote 13 down vote accepted Use a regex

I can't compose does not end with "hede" regex.

Tcl uses a different syntax. Join them; it only takes a minute: Sign up Bash regex matching not working up vote 0 down vote favorite so I have this function function test(){ local output="CMD[hahahhaa]" if [[ And * would repeat the previous character zero or more times. Regex Cheat Sheet Female has wings while male does not What is the word for when someone is overly nice and actually isnt nice at all?

Modify your Java program to use the find method of the Matcher class instead of using the matches method. Related 2124Validate email address in JavaScript?6694How do JavaScript closures work?4509JavaScript function declaration syntax: var fn = function() {} vs function fn() {}2594Regular expression to match line that doesn't contain a word?701How Storing passwords in access-restricted Google spreadsheets? Check This Out Links: front page me on twitter search privacy java java applets java faqs misc content java source code test projects lejos Perl perl faqs programs perl recipes perl tutorials   Unix

What is the word for when someone is overly nice and actually isnt nice at all? Browse other questions tagged bash regular-expression or ask your own question. But I saw the anchors ^ and $ in another answer which threw me off (implying we are checking the entire string only). –FireCoding Mar 17 '11 at 19:52 15 In Python: In [5]: import vcsn c = vcsn.context('lal_char(a-z), b') c Out[5]: {a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z} → 𝔹 then you enter your expression: In [6]: e = c.expression('(hede){c}'); e Out[6]: (hede)^c convert this expression

Ruby treats empty character classes as an error. Finally, the start- and end-of-input are anchored to make sure the entire input is consumed: ^((?!hede).)*$ As you can see, the input "ABhedeCD" will fail because on e3, the regex (?!hede) If you want to match any word, \y\w+\y gives the same result as \m.+\M. And you could easily generate the regex string for long strings using iterative concatenation.

current community chat Stack Overflow Meta Stack Overflow your communities Sign up or log in to customize your list. Small question: I receive an array with result, but how can I retrieve the content of my capturing "(...)" ?(this: ([0-9.-]+) ) –J4N Sep 15 '11 at 8:27 Please