Forum Discussion
ramann_75062
Nimbostratus
NimbostratusRegex in parameter name
Hi@all,
i have again a question about regex :-)
We have parameters like
name_1=
name_2=
...
name_9999=
Is there a way to set this parameter in a regex like
name_[1-9]=
We use BIG-IP 9.4.6 Build 401.0 Final
THanks for help
Bjoern
- Hey Bjoern,
You can use some fairly simple patterns for wildcard entities, but none that would allow the expansion of characters you mention. You can use [list/sequence] like your example, 'name_[1-9]' but there is no way to attach a quantity to the sequence. Using 'name_[1-9]*' would simply match 'name_', a digit 1-9, then anything. Likewise, 'name_[1-9]{4}' will match 'name_', a digit, and the {4} characters literally.
If you know that the number will never reach a certain value, say 1,000, you could create multiple parameters:'name_[1-9]', 'name_[1-9][0-9]', 'name_[1-9][0-9][0-9]'
This obviously becomes unwieldy, however, if the number has no ceiling. In that case, the more basic wildcard is still an option. Even 'name_*' or perhaps 'name_[1-9]*' to make sure the value at least begins with a number. 
hooleylistCirrostratus
You might also consider opening a case with F5 asking them to support regular expressions for wildcard object types, objects, parameters, etc. I think there is an existing Request For Enhancement.
Aaron