update ChangeLog and man/fail2ban-regex.1

ChangeLog

@@ -59,6 +59,8 @@ TODO: implementing of options resp. other tasks from PR #1346
   - `<ip-rev>` - PTR reversed representation of IP address
   - `<ip-host>` - host name of the IP address
   - `<F-...>` - interpolates to the corresponding filter group capture `...`
+* Allow to use filter options by `fail2ban-regex`, example:
+  fail2ban-regex text.log "sshd[mode=aggressive]"
 * Samples test case factory extended with filter options - dict in JSON to control 
   filter options (e. g. mode, etc.):
   # filterOptions: {"mode": "aggressive"}

man/fail2ban-regex.1

@@ -27,6 +27,9 @@ a string representing a 'failregex'
 .TP
 filename
 path to a filter file (filter.d/sshd.conf)
+.TP
+filtername[option=value, ..., option=value]
+short path to a filter relative filter.d in configuration base (sshd[mode=aggressive])
 .SS "IGNOREREGEX:"
 .TP
 string
@@ -42,6 +45,9 @@ show program's version number and exit
 \fB\-h\fR, \fB\-\-help\fR
 show this help message and exit
 .TP
+\fB\-c\fR CONFIGBASE, \fB\-\-config\fR=\fI\,CONFIGBASE\/\fR
+set alternate config base directory (default /etc/fail2ban)
+.TP
 \fB\-d\fR DATEPATTERN, \fB\-\-datepattern\fR=\fI\,DATEPATTERN\/\fR
 set custom pattern used to match date/times
 .TP