How to make case insensitive search help

Hi Experts,

How to make one of the Search help field (Lower case is enabled in Domain level) as case insensitive.

Example:

I have a field ‘F1’ used in sear help which is having the Lower case enabled property at domain level, and it holds the data as follows:

F1

Test

TEST

test

tEst ....      like this there are several combinations of(test)data available in table for the same field.

So when we access these values from search help with the search term let say ‘Test’ it should list all the possible values as above mentioned from this table(it should be case insensitive).

Is there any possibility to make this field F1 as case insensitive at the search help level?

Could you please suggest on this.

Thanks in advance.

Regards,

Chityala.