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Full Discussion: Search for a text between two strings in a file using regex
Top Forums Shell Programming and Scripting Search for a text between two strings in a file using regex Post 303043157 by mohtashims on Monday 20th of January 2020 06:50:35 AM
Old 01-20-2020
Search for a text between two strings in a file using regex
Here is my sample file data:

Quote:
##
## SSL Virtual Host Context

SSLInsecureRenegotiation Off

Seconds before invalid OCSP responses are expired from the cache

<VirtualHost _default_:443>
SSLInsecureRenegotiation Off
RewriteOptions Inherit
SSLInsecureRenegotiation Off
RewriteOptions Inherit

# General setup for the virtual host
DocumentRoot "/web/htdocs"
ServerName www.example.com:443
ServerAdmin you@example.com
ErrorLog "|/web/bin/rotatelogs /web/logs/sslerror_log.%Y-%m-%d 86400 combined"
TransferLog "/web/logs/access_log"

# SSL Engine Switch:
SSLEngine on

SSLCertificateFile "/web/conf/server.crt"

# ECC keys, when in use, can also be configured in parallel
<FilesMatch "\.(cgi|shtml|phtml|php)$">
SSLOptions +StdEnvVars
</FilesMatch>
<Directory "/web/cgi-bin">
AllowOverrideList None

# SSLInsecureRenegotiation Off

</Directory>

CustomLog "/web/logs/ssl_request_log" \
"%t %h %{SSL_PROTOCOL}x %{SSL_CIPHER}x \"%r\" %b"

SSLInsecureRenegotiation On
# BEGIN ANSIBLE MANAGED BLOCK
<FilesMatch "^.*\.(css|html?|js|pdf|txt|xml|xsl|gif|ico|jpe?g|png)$">
Require all granted
</FilesMatch>
# END ANSIBLE MANAGED BLOCK
</VirtualHost>
My requirement is to have a regex expression that is able to search for visible starting string "SSLInsecureRenegotiation Off" between strings "<VirtualHost " and "</VirtualHost>".

In the sample data two lines should be matched.

Below is what I tried but it does not match the two lines within the Virtual Tags.

Code:
(?<=<VirtualHost ).*^[^#]*SSLInsecureRenegotiation.*Off.*(?=</VirtualHost>)

Can you please suggest how ?
 

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LEARN ABOUT NETBSD

apropos

APROPOS(1)						    BSD General Commands Manual 						APROPOS(1)

NAME

     apropos -- search the complete content of all man pages

SYNOPSIS

     apropos [-123456789Ccp] [-n Number of results] [-S machine] [-s section] query

DESCRIPTION

     The apropos utility performs a full text search over the complete content of all man pages.  It uses the FTS engine of Sqlite to perform the
     search.  The database is created with the help of makemandb(8) utility.

     This implementation of the apropos utility is more sophisticated than the classical version of apropos.  Like modern search applications, it
     uses advanced techniques like stemming and term weighting to rank the matching results in decreasing order of relevance.  By default apropos
     will only display the top 10 matches in the output.

     Quotes are optional for specifying multiword queries.

     It supports the following options:

     -1      Search only within section 1 manual pages.

     -2      Search only within section 2 manual pages.

     -3      Search only within section 3 manual pages.

     -4      Search only within section 4 manual pages.

     -5      Search only within section 5 manual pages.

     -6      Search only within section 6 manual pages.

     -7      Search only within section 7 manual pages.

     -8      Search only within section 8 manual pages.

     -9      Search only within section 9 manual pages.

     -C      Do not show the context of the match.

     -c      Do show the context of the match (default).

     -n      Output up to the specified number of search results.  The default limit is 10.

     -p      Display all matching results and pipe them through a pager (defaulting to more(1)).

     -S machine
	     Limit the search to the pages for the specified machine architecture.  By default pages for all architectures are shown in the search
	     results.

     -s section
	     Restrict the search to the specified section of the manual.  By default, pages from all section are shown.  This option is for back-
	     wards compatibility with the classic version of apropos, using it is equivalent to using the [123456789] options directly.

FILES

     /var/db/man.db The Sqlite FTS database which contains an index of the manual pages.

SEE ALSO

     man(1), whatis(1), makemandb(8)

HISTORY

     The apropos command appeared in 3.0BSD.  It was rewritten in NetBSD 6.0 to support full text search using Sqlite.

AUTHORS

     Abhinav Upadhyay

BSD
								  April 21, 2012							       BSD
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