Questions tagged [pattern-matching]
The pattern-matching tag has no usage guidance.
27
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How can I best construct data structures to retrieve similar values for demographic matching?
The job is person demographic matching/consolidation.
I have incoming person demographic information which I need to determine if it is a match against an existing person in the a dataset. I get the ...
- 151
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1
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67
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iptables: can't drop incoming DNS responses containing a specific IP address
I want to drop incoming DNS responses that contain 10.10.34.35. How can I do that?
I tried to it this way:
iptables -I INPUT -m udp -p udp --sport 53 -m string --algo kmp --hex-string '|31 30 02 31 30 ...
- 48
1
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241
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Multiple negative lookbehind
I have this code:
location ~* (/.*)?(?<!(food/sweet/dessert))/dollaritems {
return 301 $1/breakfast/la/dollaritems;
}
This is working fine to redirect users going to any page with /dollaritems ...
- 11
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1
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744
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Nginx reverse-proxy pass front-end application matching url from HTTPS to HTTP
I everyone. I'm very new to Nginx. My situation is like this.
I have a Php application which that handles both backend and front-end, and also I have another ReactJs application as a micro-frontend ...
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1
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228
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Finding a string and remove all contents between two delimiters
I have searched and I don't know what I'm doing wrong but I can't find an answer to this question.
I have a file with all text stored as a single line. I am needing to find a pattern and remove all ...
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1
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3k
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Nginx pattern matching to part of path
Here's what I would like to accomplish:
All requests to /api/... should be directed to a reverse proxy
All requests to /static/... should be served from /html/static/pub
All other requests should be ...
- 121
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32
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Apache RewriteRule, transfer string match into query string parameter
Our website has been redeveloped, and I have been asked to ensure that the previous form of certain URIs are redirected to the new form, so that existing links, bookmarks, etc, don't break.
The ...
- 101
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626
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Nginx location block with regex won't match URL
This is my server block.
server {
set $auth_header 'Bearer my_token';
listen 80;
server_name my.domain.com;
location ~ "(/d\-solo/[a-zA-Z]{8,10}/.+\?.+)" {
...
- 255
0
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2
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192
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Count instances of a pattern's match in a real-time log file, in a specific time frame, using PowerShell?
I've to intercept a pattern in a log file and, when this pattern is matched for 5 times in 5 minutes, send an alert...
I've wrote this lines, but I'm stuck... I don't know how to handle the time ...
- 1
2
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2
answers
11k
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Nginx location match multiple extensions unless path starts with specific word
How can I write a location block that matches any path ending in the following extensions:
jpg|jpeg|gif|css|png|js|ico|json|xml|txt|html
Unless the path starts with "/rails" (eg: /rails/randomstring/...
- 131
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1k
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In Nginx config, how to limit regex matching?
In the nginx config file for my server, I have written the following location block:
location ~ /page/(?!(3/?|5/?|6/?|8/?)) {
return 301 https://anothersite.com/page$is_args$args;
}
With this, I'...
- 1
0
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1
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896
views
How can I match requests for known mime types containing query strings, in nginx?
I'm using nginx to serve assets statically, and also route all non-asset requests to a PHP front controller. I have a location block that looks like:
location / {
include /etc/nginx/mime.types;
...
- 371
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1
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816
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Nginx How to set location static files to match with jsessionid
I'm working on Nginx to add cache headers on my static files and works. I'm using this location
location ~* \.(ico|css|js|gif|jpeg|jpg|png|woff|ttf|otf|svg|woff2|eot)$ {
expires 30d;
...
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1
answer
38
views
Return result only if multiple strings exist in a file
Is there a Linux utility which will return the name of a file only if it contains multiple specified strings? Not necessarily on the same line. Obviously grep can "OR" but I'm looking for "AND".
- 55
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1k
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syslog-ng prepending date to received logs, breaking patterns in patterndb
I'm setting up central logging for our servers using syslog-ng + patterndb, however the logs the logging server is receiving from the client are prepended with the date, host and other data. This of ...
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73
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Using pattern matching to reduce IP Spoofing [duplicate]
The IP Spoofing is becoming a major concern these days.I was wondering whether we could use pattern matching,like comparing the hop count of the packets coming or the TTL(Time To Live) field of the IP ...
- 99
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1
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821
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Lighttpd, regex in conf, path including regex match
The background :
- Lighttpd 1.4.28
- Debian 6.0.7 i686
Several developers are using this web server, and each of them has his own virtual host named after "username.mysite.tld". These hosts are ...
- 225
1
vote
1
answer
15k
views
RewriteCond not matching on my IP when matching on %{REMOTE_ADDR} [duplicate]
I want a mod_rewrite rule not to be executed when traffic is hitting the web-server from internal network. The web server is an apache 2.2
The following RewriteCond is meant to guard the rewrite rule.
...
- 163
3
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1
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1k
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htaccess email regex
I am trying to write a patter in such a way that this link :
http://www.mysite.com/link/go/[email protected]
is interpreted like this :
http://www.mysite.com/process.php?email=emailadress@gmail....
- 131
2
votes
2
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194
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Display nth instance of grepped pattern
So here's my problem. I have an issue with a .csv file (Current.csv) in that there are commas randomly place throughout the data, so awk-ing the file doesn't give me constant column numbers for a ...
user121351
0
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1
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3k
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match 2 numbers in extensions at asterisks dialplan
is there a simple way to match something like this:
exten => _+380XXXXXXXXX,1,NoOp(hint that)
exten => _0XXXXXXXXX,1,NoOp(hint that)
this two extensions matches same number with or without +38 ...
- 1,517
2
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2
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3k
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How to find .h,.c and .cc files under current directory in linux?
find . -name "*.[hc]|*.cc"
The above doesn't work,why?
UPDATE
How do I find these 3 kinds of files with a single pattern?
- 8,571
1
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2
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2k
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finding a group of string common in two files
I have used diff command in past.I faced a situation to which I did not had a clue
here are some text strings (which can be stored in a file)
CONFIG_XEN=y
CONFIG_XEN_PVHVM=y
...
- 1,463
3
votes
3
answers
3k
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How to delete everything except .svn directories?
I have quite complex directory tree. There are many subdirectories, in those subdirectories beside other files and directories are ".svn" directories.
Now, under linux I want to delete all files and ...
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1
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2k
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makefile shell pattern expansion: how to?
I have found an interesting "feature" of make
DIR_INPUT=/test
test:
# testing date (it should be yesterday)
test ! -z "${DATE}"
ls -lad ${DIR_INPUT}/{a,c}
but it seems to ...
- 2,050
1
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4
answers
2k
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How to do a text match in bash
I'm trying to find a nice way of checking some text in order to set a variable. For instance to perform the logic: 'if the version string is 1.x then set a flag'. One way of doing this is:
...
- 165
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2k
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How can I specify a shell pattern that excludes certain files?
For instance, I want to remove all the files in a directory except for the .tar file from whence they came. I could do something like:
find . -maxdepth 0 | grep -v '.tar$' | xargs rm -f
but is there ...
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