improving grepping

ChangeLog

@@ -12,6 +12,8 @@ ver. 0.9.2 (2014/XX/XXX) - wanna-be-released
 
 - Fixes:
    * $ typo in jail.conf. Thanks Skibbi. Debian bug #767255
+   * grep'ing for IP in *mail-whois-lines.conf should now match also
+     at the begginning and EOL.  Thanks Dean Lee
 
 - New Features:
 

config/action.d/mail-whois-lines.conf

@@ -42,7 +42,7 @@ actionban = printf %%b "Hi,\n
             Here is more information about <ip>:\n
             `whois <ip> || echo missing whois program`\n\n
             Lines containing IP:<ip> in <logpath>\n
-            `grep '[^0-9]<ip>[^0-9]' <logpath>`\n\n
+            `grep -E '(^|[^0-9])<ip>([^0-9]|$)' <logpath>`\n\n
             Regards,\n
             Fail2Ban"|mail -s "[Fail2Ban] <name>: banned <ip> from  `uname -n`" <dest>
 

config/action.d/sendmail-whois-lines.conf

@@ -26,7 +26,7 @@ actionban = printf %%b "Subject: [Fail2Ban] <name>: banned <ip> from `uname -n`
             Here is more information about <ip>:\n
             `/usr/bin/whois <ip> || echo missing whois program`\n\n
             Lines containing IP:<ip> in <logpath>\n
-            `grep '\([^0-9]\|^\)<ip>[^0-9]' <logpath>`\n\n
+            `grep -E '(^|[^0-9])<ip>([^0-9]|$)' <logpath>`\n\n
             Regards,\n
             Fail2Ban" | /usr/sbin/sendmail -f <sender> <dest>