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Forum Discussion

gerald_wegener_'s avatar
gerald_wegener_
Icon for Nimbostratus rankNimbostratus
Jul 11, 2005

Regsub always returns a 1 never 0

I've tried running the script that is posted which uses regsub to search for Social Security Numbers in the form xxx-xx-xxxx. I've tried several different permuations of this but can never get anythin...
application delivery
dev
devops
iRules
unRuleY_95363's avatar
unRuleY_95363
Historic F5 Account
Jul 12, 2005
You can use the Tcl command 'regexp' to match a regular expression and have it return the matched portions.

So, for example, 

 
 set card_nums [regexp -all -inline {\d{4}-\d{4}-\d{4}-\d{4}} $payload] 
 if { $card_nums ne "" } { 
    log "Found credit card numbers: $card_nums" 
 }