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Robert_47833's avatar
Robert_47833
Icon for Altostratus rankAltostratus
Nov 22, 2011

how to understand this syntax "?" in matches_regex

if {$queryString matches_regex "(?i)gsec=content"} {   other code   }     I don't know the what "?" represent in this syntax   does it mean 0 or 1 single character?  
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iRules
nitass's avatar
nitass
Icon for Employee rankEmployee
Nov 22, 2011
[root@ve1023:Active] config  b rule myrule list
rule myrule {
   when RULE_INIT {
        set test "/test?param1=val1&param2=val2"
        log local0. "\[URI::query $test param1\]: [URI::query $test param1]"
        log local0. "\[URI::query $test param2\]: [URI::query $test param2]"

        switch [string tolower [URI::query $test param1]] {
                "val1" { log local0. "val1" }
                default { log local0. "default" }
        }
}
}

[root@ve1023:Active] config  tail /var/log/ltm
 01:23:09 local/ve1023 err mcpd[23057]: 01020066:3: The requested rule (myrule) already exists in partition Common.
Nov 22 01:23:09 local/tmm info tmm[24220]: Rule myrule : [URI::query /test?param1=val1&param2=val2 param1]: val1
Nov 22 01:23:09 local/tmm info tmm[24220]: Rule myrule : [URI::query /test?param1=val1&param2=val2 param2]: val2
Nov 22 01:23:09 local/tmm info tmm[24220]: Rule myrule : val1