The POSIX Extended Regular Expression is the regex flavor used by the UNIX/Linux egrep command.
For more information about this regex flavor, see:
Questions tagged [posix-ere]
89 questions
0
votes
1 answer
Does Bash support non-greedy regular expressions?
How come my regex pattern isn't lazy? It should be capturing the first number, not the second.
Here is a working bash script..
#!/bin/bash
text='here is some example text I want to match word1 and this number 3.01 GiB here is some extra text…
deanresin
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0 answers
Extended regex "." seems not to be matching everything
I have a file containing this header FIELD1 FIELD2 : 0x30070040 and a lot of junk characters (half the file's size). To get rid of all of them I execute these commands:
dos2unix -q -n file
sed -i $'s/[^[:print:]\t]//g' file #Removing every…
jackscorrow
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0
votes
2 answers
POSIX-ERE: Match a word but not when between square brackets
I’m trying to match occurrences of the word “organization” but not when it occurs in between square brackets:
Example strings:
The organization “[organization name]” must contain at least one
user per organization.
The ID [id] for…
user1298431
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- 3
0
votes
2 answers
Escaped sequence for apt regex
Is there any way to natively escape a sequence in apt's regex?
I have a search, for example libpng++, where I want to literally match the ++ part of the string. I know that I can manually escape the ++ with \+\+, but I need to escape the string…
StephenG
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0
votes
1 answer
posix regular expression for parsing uevent causing error
I am trying to parse uevent using this below code but I think my regular expression is not proper causing regcomp function to fail.
Can anyone help? I am trying to do something like this.
#include
#include
#include…
noman pouigt
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0
votes
1 answer
RegExp for a comma-separated list of terms that finds terms not ending or starting with a character
I have a String containing a comma-separated list of terms, like this:
term1, term2* ,term3*,term 4 , *term5, *term 6 , term 7*,* term 8
Each term may have leading or trailing whitespaces. These should be ignored. Each term may have whitespaces…
Wollo
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0
votes
1 answer
Help with a regular expression
I'd like to write a regular expression that checks that a line is:
Delimited (by a comma, for example)
Has at least n # of delimited items (say 10, for example)
The items in the delimited list need not be alphanumeric. Some will have special…
Ben G
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0
votes
1 answer
Eregi to preg_replace change for php 5.3 compatibility
I have this line in one of my scripts and its throwing a deprecated error.
eregi_replace( '\.([a-z]{3,4})$', "-{$width}x{$height}.\\1", $src );
Can someone show me how to turn this into preg_replace and tell me why and which bits of it need to…
Paul M
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0
votes
1 answer
Problem with ereg deprecated
Can some please help me to rewrite these code:
if (eregi($asked,$accepted)) {
$this->plot_type = $which_pt;
return true;
} else {
$this->DrawError('$which_pt not an acceptable plot type');
return false;
}
Any help will be highly appreciated, I…
edundayo
- 1
0
votes
2 answers
ereg to preg conversion
I'm a complete novice when it comes to regex. Could someone help me convert the following expression to preg?
ereg('[a-zA-Z0-9]+[[:punct:]]+', $password)
An explanation to accompany any solution would be especially useful!!!!
musoNic80
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0
votes
2 answers
eregi replace replacement
since eregi replace was deprecated on version 5.3 i want to make my program compatible with new version of php
http://php.net/manual/en/function.eregi-replace.php
so, i'm trying to use preg_replace like this
preg_replace(",",'','20,000.00');
but…
apis17
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0
votes
2 answers
Yet another php ereg fix
I have a small chunk of coding I need to take from ereg to preg_match. Here is the code.
function be_file_list($d, $x) {
foreach (array_diff(scandir($d), array('.', '..')) as $f) {
if (is_file($d . '/' . $f) && (($x) ? ereg($x.'$',$f) :…
casben79
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- 4
0
votes
2 answers
Why is the following regex not working in C using regcomp
I have the following regex to match the last pair of braces in a string,
.+(?={)(.+)(?=})
The example string is,
abc{abc=bcd}{gef=hij}
I want the contents within the last braces (gef=hij) inside the captured group. This works in a regex tester…
Karthik H
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votes
2 answers
PHP: How to use ereg to validate input text AND string length simultaneously?
I'm using ereg in the followin way to validate a field which can contain only numbers from 0 to 9:
if(eregi("^([0-9])*$", $mynumber)) return true;
However the string must have between 8 and 10 characeters. Is it possible to improve the same ereg…
andreszs
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0
votes
1 answer
Converting an eregi_replace to a preg_replace
I am trying to parse some HTML snippets and want to clean them up for various reasons (XSS et al).
I am currently trying to remove all of the attributes on any tag, except for the href on a anchor. I am doing this using a sequence of eregi_replace…
rickhuby
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