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Full Discussion: Perl REGEX
Top Forums Shell Programming and Scripting Perl REGEX Post 302251075 by KevinADC on Saturday 25th of October 2008 03:48:58 AM
Old 10-25-2008
Quote:
Originally Posted by nwboy74
You're not going to be able to use a single regular expression to accomplish that. You might try something like:

if ($str !~ /([a-z]).*\1/ && $str =~ /^[a-z]+$/) {
...
}
I agree, a single regexp would be too complicated, but I think you also just did his school/course work for him. Smilie
 

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LEARN ABOUT DEBIAN

fail2ban-regex

FAIL2BAN-REGEX(1)						   User Commands						 FAIL2BAN-REGEX(1)

NAME

       fail2ban-regex - test Fail2ban "failregex" option

SYNOPSIS

       fail2ban-regex [OPTIONS] <LOG> <REGEX> [IGNOREREGEX]

DESCRIPTION

       Fail2Ban v0.8.2 reads log file that contains password failure report and bans the corresponding IP addresses using firewall rules.

       This tools can test regular expressions for "fail2ban".

OPTIONS

       -h, --help
	      display this help message

       -V, --version
	      print the version

LOG

       string a string representing a log line

       filename
	      path to a log file (/var/log/auth.log)

REGEX

       string a string representing a 'failregex'

       filename
	      path to a filter file (filter.d/sshd.conf)

   IgnoreRegex:
       string a string representing an 'ignoreregex'

       filename
	      path to a filter file (filter.d/sshd.conf)

AUTHOR

       Written by Cyril Jaquier <cyril.jaquier@fail2ban.org>.  Many contributions by Yaroslav O. Halchenko <debian@onerussian.com>.

REPORTING BUGS

       Report bugs to <cyril.jaquier@fail2ban.org>

COPYRIGHT

       Copyright (C) 2004-2008 Cyril Jaquier
       Copyright of modifications held by their respective authors.  Licensed under the GNU General Public License v2 (GPL).

SEE ALSO

       fail2ban-client(1) fail2ban-server(1)

fail2ban-regex v0.8.2						    March 2008							 FAIL2BAN-REGEX(1)
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