word-boundary Questions
6
Solved
Since str_replace() matches :Name two times in :Name :Name_en, I want to match the results for the whole word only. I wanted to switch to preg_replace() because of this answer.
$str = ":Name :...
Nutt asked 13/3, 2012 at 10:53
8
Solved
I have a regex expression that I'm using to find all the words in a given block of content, case insensitive, that are contained in a glossary stored in a database. Here's my pattern:
/($word)/i
...
Tajo asked 17/11, 2009 at 19:49
7
Solved
For example, in this text:
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nunc eu tellus vel nunc pretium lacinia. Proin sed lorem. Cras sed ipsum. Nunc a libero quis risus sollicitudi...
Preventive asked 13/2, 2009 at 14:52
3
Solved
I'm using regex word boundary \b, and I'm trying to match foo in the following $sentence but the result is not what I need, the underscore is killing me, I want underscore to be word boundary just ...
Blount asked 16/3, 2015 at 2:15
1
Solved
Consider the string "abc를". According to unicode's demo implementation of word segmentation, this string should be split into two words, "abc" and "를". However, 3 diff...
Brew asked 6/2, 2021 at 20:17
13
Solved
I'm trying to use regexes to match space-separated numbers.
I can't find a precise definition of \b ("word boundary").
I had assumed that -12 would be an "integer word" (matched...
Cooney asked 24/8, 2009 at 20:46
2
Solved
Is there an equivalent when using str.contains?
the following code is mistakenly listing "Said Business School" in the category because of 'Sa.' If I could create a wordboundary it would solve th...
Jackelinejackelyn asked 12/3, 2014 at 17:57
4
Solved
I'm trying to match some whole-word-expressions with the MySQL REGEXP function. There is a problem, when there are double quotes involved.
The MySQL documentation says: "To use a literal instance ...
Bargain asked 19/9, 2013 at 17:52
4
Solved
I would like to replace just complete words using php
Example :
If I have
$text = "Hello hellol hello, Helloz";
and I use
$newtext = str_replace("Hello",'NEW',$text);
The new text sho...
Unfriended asked 6/8, 2010 at 17:37
3
Solved
I am having a problem with matching word boundaries with REGEXP_LIKE. The following query returns a single row, as expected.
select 1 from dual
where regexp_like('DOES TEST WORK HERE','TEST');
B...
Gathering asked 27/9, 2011 at 10:32
3
I want to add word boundaries to this awk command:
awk '{$0=tolower($0)};/wordA/&&/wordB/ { print FILENAME ":" $0; }' myfile.txt
I tried adding \y at left and right of wordA and wordB b...
Neela asked 13/3, 2012 at 0:44
4
Solved
I need to find repeated words in a file using egrep (or grep -e) in unix (bash)
I tried:
egrep "(\<[a-zA-Z]+\>) \1" file.txt
and
egrep "(\b[a-zA-Z]+\b) \1" file.txt
but for some reason...
Rootlet asked 28/10, 2015 at 16:37
4
Solved
I have the following php code in a utf-8 php file:
var_dump(setlocale(LC_CTYPE, 'de_DE.utf8', 'German_Germany.utf-8', 'de_DE', 'german'));
var_dump(mb_internal_encoding());
var_dump(mb_internal_en...
Virgina asked 12/3, 2010 at 13:8
1
Solved
import re
sstring = "ON Any ON Any"
regex1 = re.compile(r''' \bON\bANY\b''', re.VERBOSE)
regex2 = re.compile(r'''\b(ON)?\b(Any)?''', re.VERBOSE)
regex3 = re.compile(r'''\b(?:ON)?\b(?:Any)?''', re.V...
Plasterboard asked 5/10, 2016 at 13:41
1
Solved
Javascript's regex syntax only has one word boundary: \b.
Vim's regex syntax has two: \< (start of word) and \> (end of word).
Can anyone give me an example of a search that can be achieved...
Pires asked 5/11, 2015 at 8:16
1
I am aware that the issue involving the dollar sign "$" in regex (here: either in PHP and JavaScript) has been discussed numerous times before: Yes, I know that I need to add a backslash "\" in fro...
Nationwide asked 30/9, 2015 at 17:0
1
Solved
Simply put:
echo "xxxxx Tyyy zzzzz" | egrep "\byyy\b"
(no match which is correct)
echo "xxxxx T-yyy zzzzz" | egrep "\byyy\b"
xxxxx T-yyy zzzzz
I dont want it to match like it does in the se...
Somnus asked 3/9, 2015 at 15:56
2
Solved
What are non-word boundary in regex (\B), compared to word-boundary?
Attitudinarian asked 27/12, 2010 at 20:25
3
Solved
Does PostgreSQL support \b?
I'm trying \bAB\b but it doesn't match anything, whereas (\W|^)AB(\W|$) does. These 2 expressions are essentially the same, aren't they?
Shona asked 29/9, 2010 at 20:41
1
Solved
I would like to achieve the following (a full text search),
SELECT * FROM tablename where columnname REGEXP '[[:<:]]some string[[:>:]]'
Where i am interested in only exact strings (not jus...
Nakamura asked 30/1, 2015 at 3:11
2
Solved
string = c("apple", "apples", "applez")
grep("apple", string)
This would give me the index for all three elements in string. But I want an exact match on the word "apple" (i.e I just want grep() ...
Bhakti asked 8/11, 2014 at 4:15
2
Solved
I have a regular expression using word boundaries that works exceedingly well...
~\b('.$value.')\b~i
...save for the fact that it matches text inside HTML tags (i.e. title="This is blue!"). It's ...
Permissible asked 17/6, 2013 at 6:13
3
Solved
I have a difficulty using \b and greek characters in a regex.
At this example [a-zA-ZΆΈ-ώἀ-ῼ]* succeeds to mark all the words I want (both greek and english). Now consider that I want to find word...
Entrails asked 4/5, 2014 at 16:50
2
Solved
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"...
Dolor asked 10/4, 2014 at 16:17
1
Solved
Hi I have the following code which is meant to find the word "is" but not when it is within another string so the word "this" should not return a match so I use \b. But the following code does not ...
Honour asked 27/1, 2014 at 19:27
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