Forum Discussion

d2_21508's avatar
d2_21508
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Oct 06, 2015

is it possible to use regex within switch block?

Hello! Is it possible to use regular expressions within switch block? My scenario: a.domain.com a.domain.net So different TLDs. Now I want to write iRule that will handle both 'com' and 'net...
11.6
application delivery
devops
irule
iRules
regex
Hannes_Rapp's avatar
Hannes_Rapp
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Oct 06, 2015

You can use 

switch -regexp [HTTP::host]
instead of 
switch -glob [string tolower [HTTP::host]]

Have a look at 

switch -regexp
in action in this thread: https://devcentral.f5.com/questions/disable-port-translation-in-an-irule-or-node-usage

Good luck!

  • Edit: Have removed the tip where I suggested to avoid converting HTTP Host to lower-case string. Unfortunately, not all HTTP Client or Web Service Libraries are as clean as web browsers and not all of them comply with the DNS standard.