how to trim the values

[john]

id=[ci.fif.3000-67777]
id=[fg.hki.4000-88888]

this the content of file i am working with from this i want only the values(3000 and 4000)please help.....

[Ayn]

Extract the values as fields in Splunk. Quickest way is to use rex:

... | rex "\.(?<myvalue>\d+)-\d+\]"

This command creates a field myfield from your data when you include the command in your search.

[john]

i got right value

[john]

Thanks Ayn...