Questions tagged [regular-expressions]
108 questions
1
vote
1 answer
Nginx proxy for CNAME setup
My application serves landing pages and we need users to custom CNAME it
eg: {{userdomain}}.myapp.com/{{pageid}} serves the landing pages today.
User wants to map it to {{landing}}.theirsite.com
So, we allow them to cname it to…
cloudpre
- 111
- 2
1
vote
1 answer
How to using sed to change the last character from a match line
How to using sed to change the last character from a match line ?
Exemple:
/etc/network/interfaces
auto eth0
iface eth0 inet static
address 150.0.3.50
netmask 255.255.255.0
network 150.0.3.0
gateway 150.0.3.6
auto…
rodolpho
- 23
- 4
1
vote
1 answer
htaccess rule for url not ending with certain words
I need to rewrite few urls if those url not ending with certain words. For example, i need to rewrite following url
/category1/subcategory1/aproduct-url-title
to
/category1/fixedword/aproduct-url-title
the rewrite should not takes place for the…
codegeek
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1
vote
1 answer
SetEnvIfNoCase directive match ip failing
I'm trying to set some specific headers based on the client IP address via an Apache reverse proxy.
I try to use SetEnvIfNoCase/SetEnvIf but I somehow fail to write a correct regular expression :(
Here what I tried to set in httpd.conf (assume that…
vap78
- 113
- 3
1
vote
2 answers
Zabbix 2.0: Regular Expression to extract value from a String for a trigger?
I am using Zabbix 2.0.4 to monitor several Java applications. Most values are exported via JMX. One of those exported attributes is a string that is constructed like…
Florian
- 111
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- 5
1
vote
2 answers
Regular expression for monitoring HTTP errors in apache logs
I'm looking for a regular expression that I can use to scan for HTTP errors in my standard apache log files.
I'm interesting in matching all lines that don't have an HTTP 200 or HTTP 204 return status.
I can match the lines that do contain either…
ddewaele
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0 answers
How to specify a scenario wildcard in Zabbix expression
I'm using Zabbix 2.0 am wondering how to use a wildcard or regular expression for a scenario name of a trigger?
For example, I have the following trigger:
MyHost:web.test.fail[].avg(#5)}>0.4
I would like to replace
Jim Geurts
- 667
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1
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0 answers
Nginx - Adding a trailing slash to urls on HTTPS
I am using the below regex to add a trailing slash to any url that doesn't have a railing slash or ends ends with ..
rewrite ^([^.]*[^/])$ $1/ permanent;
This works fine for http, but when I use https it doesn't. I can't work out why? Can you?
user1573604
- 145
- 5
1
vote
1 answer
Problematic Mail Sieve rules
I need top classify my incomming emails using this three rules:
if the email was send to any @somedomain.tld, then copy that email to "somedomain_tld"
if the email was send to any other @*.tld , then copy that email to "others_tlds". (any other =…
Yanko Hernández Álvarez
- 574
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1 answer
Postfix header checks
How can I write regex for postfix header check to reject all the mails with X-Source-Dir having abc/def?
Is this OK?
/^X-Source-Dir:\s(.*abc\/def.*)/ REJECT due to spam:
Thanks a lot Ladadadada:)
But with,
/^X-Source-Dir:\s(abc|def)/ REJECT due…
Anaha
- 11
- 1
1
vote
1 answer
Regular expressions in GREP
I have an .xml file. The tags inside are:
Product
Now, I have 20 000 tags like this in the file. One tag however, starts properly but it is missing a proper closing tag. How can I find which line starts properly but does not end with…
Stole
- 111
- 1
1
vote
3 answers
Getting different values of particular variable from a file in UNIX
I have a file which I'd like to parse to extract certain values from it. I don't know what command and syntax I should use (maybe sed?).
Below are 2 sample lines which I might expect to find in the file. What I need is the value of name (i.e 1234…
dhruv
- 11
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1
vote
1 answer
Redirect a url to a different server
I'm looking for a way to redirect any url I visit on my computer (Mac), say www.example1.com/a/b/[\d]+, to another url www.example2.com/a/[\d]+. I don't want this to be on the IP level, just for that particular URL matched by a regular…
Jey Balachandran
- 113
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1
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2 answers
Help with regexp in tag of .htaccess
For poorly configured Apache servers you can have to do something like this to deny access to the .htaccess file:
order allow,deny
deny from all
I would like to deny access to all system files (.* - any file that it's…
Activist
- 23
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1
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2 answers
Need help with grep urgently to comply with subpoena request
I am not a system administrator but I run a little website and today I have received a subpoena request from police, in order to comply I need to extract IP addresses from our server logs for needed time.
This is my problem:
1
I have…
Andrey
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