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Questions tagged [word-boundaries]

34 questions
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Do regular expressions from the re module support word boundaries (\b)?

While trying to learn a little more about regular expressions, a tutorial suggested that you can use the \b to match a word boundary. However, the following snippet in the Python interpreter does not work as expected: >>> x = 'one two three' >>> y =…
D.C.
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What are non-word boundary in regex (\B), compared to word-boundary?

What are non-word boundary in regex (\B), compared to word-boundary?
DarkLightA
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List items run outside of list and div area

I'm having an issue with a menu un-ordered list. Whereby the list items are over running the
10
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1 answer

Regular expression to match boundary between different Unicode scripts

Regular expression engines have a concept of "zero width" matches, some of which are useful for finding edges of words: \b - present in most engines to match any boundary between word and non-word characters \< and \> - present in Vim to match only…
hippietrail
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preg_match for multiple words

I want to test a string to see it contains certain words. i.e: $string = "The rain in spain is certain as the dry on the plain is over and it is not clear"; preg_match('`\brain\b`',$string); But that method only matches one word. How do I check for…
Asim Zaidi
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word boundaries in irb

I'm using Terminal on Snow Leopard. At the command line, if I've typed foo.bar.baz.bang.quuz.quux, when i tap option-B, it moves the cursor backward word by word -- stopping at every period, because it considers a period to be a word boundary.…
Lawrence
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Word boundaries not matching when the word starts or ends with special character like square brackets

I want to replace string which is a square bracket with another number. I am using regex replace method. Sample input: This is [test] version. Required output (replacing "[test]" with 1.0): This is 1.0 version. Right now regex is not replacing…
user11763179
5
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2 answers

Regex matching on word boundary OR non-digit

I'm trying to use a Regex pattern (in Java) to find a sequence of 3 digits and only 3 digits in a row. 4 digits doesn't match, 2 digits doesn't match. The obvious pattern to me was: "\b(\d{3})\b" That matches against many source string cases, such…
Michael Oryl
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Are there JavaScript equivalents of the Vim regular expression start and end of word atoms "\<" and "\>"?

I know most regular expression engines, including the one in JavaScript have \b to match a word boundary, be it at either the start or end of a word. But Vim also has two more specific regular expression atoms: \< matches only the word boundary at…
hippietrail
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Non-capturing group matching whitespace boundaries in JavaScript regex

I have this function that finds whole words and should replace them. It identifies spaces but should not replace them, ie, not capture them. function asd (sentence, word) { str = sentence.replace(new RegExp('(?:^|\\s)' + word + '(?:$|\\s)'),…
N.Car
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Matching WORD pattern through regex

Assume i have a big paragraph, in which there are words are like found field failed fired killed (so many negative words i know!!) Now, I want to fetch line which have words starting from fi hi or k and ends with eld or ed How would i go about…
NoobEditor
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Match all space-delimited "words" containing at least 1 letter and 1 number and may contain slashes and hyphens

I have the following string: SEDCVBNT S800BG09 7GFHFGD6H 324235346 RHGF7U S8-00BG/09 7687678 and the following regex: preg_match_all('/\b(?=.+[0-9])(?=.+[A-Z])[A-Z0-9-\/]{4,20}/i', $string, $matches) What I'm trying to achieve is to return all of…
Dave
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Audio mining for words boundaries

What I plan on doing: I want to develop the English accent (without professional training). Set of axioms behind my reasoning with executive summary: Following is knowingly over simplified, sorry for that. I tried to keep question short. Part 1 :…
Margus
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stop words removal using arrays c#

I have a string array of stopWords and string array of input texts i.e. string[] stopWords = File.ReadAllLines(@"C:\stopWords.txt"); and con.Open(); SqlCommand query = con.CreateCommand(); query.CommandText = "select p_abstract from aminer_paper…
maliks
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Alignment of C structure

I have some binary data in a file and load the file into memory at char* data. Now I know e.g. that at offset 123 begins a struct something. Is it safe to do the following (struct something*) (data + 123) // ??&data [123]?? and then access members…
Hyperboreus
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