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Questions tagged [regex]

When asking regex questions, always add the tag for the specific programming language or tool (e.g., Perl, Python, or Java; vi, emacs, or ɢɴᴜ grep; etc.) you are using.

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How do I generate a regex to restore a specific folder for "btrfs restore"?

I am trying to recover files after a crash of a btrfs filesystem using: btrfs restore --path-regex 'regex' -sv -D /dev/sdXX /mnt/destination for example, to retrieve all files in /snapshots/@_2018-06-01T23:29:33-04:00.preupgrade/ I tried following…
rick
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Apache Redirect based on directory match & Add another letter to the destination URL

So here’s what I’m trying to accomplish. I have this link, I want to 301 redirect: Origin…
Ja Hi
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Regular expression to restrict URL in HAProxy

I had successfully restricted an URL in my web app to certain trusted IP, using below-mentioned config in haproxy config acl trusted-ip src -f /etc/haproxy/whitelist.lst acl protected-page url /abc /abc/ acl allowed-page url…
Arjun K R
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Which special characters work in sieve regex?

I have the Roundcube Webmail v. 1.3.1 mail client with managesieve v. 8.7 extension and want to add some regex driven actions for my mail and the only documentation I found on the regex flavour is this document. However I can't find which special…
VaNa
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regex sieve script not matching

I have a problem on a dovecot2 mail server with a sieve script I write. The script should automatically move mail coming from a mailing list to a folder (by list name, not list id) require ["fileinto", "mailbox", "variables", "regex"]; if exists…
M1k3y
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Proxy websocket with parameters through proxypass/proxypassmatch without a VirtualHost

I have been trying for the longest time to proxy a websocket with it's sid variable to the localhost service, that is serving it. I have looked far and beyond for a solution (including a lot of the questions here), but most of them suggest to use a…
smsimeon
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Nginx local proxy - upstream wildcard?

If browsing web.dev/test2, it will look into /var/www/testsite/test2.local/public. All done through local proxy. Below rewrite running perfectly for test2 only: upstream site.local { server 127.0.0.1; } server { server_name web.dev; root…
Isak Pontus
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Apache RedirectMatch for SSL allowing LetsEncrypt not working

I've been trying to use Apache RedirectMatch to send most requests to SSL, but still allowing the Lets Encrypt challenge to work: RedirectMatch permanent ^/(?!\.well\-known/acme\-challenge)(.*)$ https://example.com/$1 This redirects the bare…
mbrampton
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Multi-line PCRE w\ lookhead, count matches

I am trying to perform a regex that matches if both the word cat AND dog are in the regex with multi-line support matches cat asdjfaldsfj dog #### does NOT match cat adfasdf8989 #### matches dog adlsjf88989 cat #### matches cat asdf8a89sdf8 a…
SquidZ00
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AWStats ignore all but one sub directory

I'm using AWStats and I want to ignore everything in a subdirectory except for a particular directory, here is the directory layout: Webroot -dir_1 -dir_2 --subdir_a --subdir_b --subdir_c ... I want to run statistics for everything in the web…
Brian Fisher
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PowerShell - Select(or regex for) words that ends in .story

I am trying to extract from some notes, words that ends in .story. This words are always placed into some links such as bla:///bla/bla/bla/.../word.story. The notes may contain multiple links and the format of these notes may vary but there I will…
pandoJohn
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How to signal the presence of a pattern via exit code, without altering STDOUT

I need to run cmd1. If and only if PATTERN is missing from its STDOUT, i need to run cmd2 too: cmd1 | grep "$PATTERN" || cmd2 But I'd like to see all output from cmd1, not just the lines that match PATTERN. I know I could do something like…
Nils Toedtmann
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Understanding IIS 8.0 Rewrite inbound rule for https to http redirect using regular expression

I have managed to configure a rewrite rule for my web site using this answer: …
Alexei
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Using FilesMatch to target ALL files

I've tried unsuccessfully to use the Apache FilesMatch directive to process all files as PHP. Using this , I'm able to process specific file extensions as PHP, but I'm unable to find a directive that encompasses all file types,…
Ralph
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HAproxy is giving me problems with regex replace, Is this a bug or am I doing something incorrect?

I am attempting to correct a URL parameter issue by forcing a URL encode on a node of a POST path that is somewhat a frequent occurrence. It seems best, at this time, to fix this at the proxy layer until a better solution has be developed.. but…
rhaag71
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