Case-Insensitive in Crystal Reports 4.6.1 LIKE Formula

I have a question about Case-Insensitive in Crystal Reports 4.6.1

1) What i've got
--> in database:
      I'v got table PERSONS with field LASTNAME and two records:

--> In CR report
      I'v got selected option: Case-Insensitive SQL data

2) What I want to do:

I want to use LIKE formula with more than one values.

3) What I've done since now.

a) {PERSONS.LASTNAME} Like "smith" OR {PERSONS.LASTNAME} Like "jackson"
            ERROR !! ONLY smith's record appears.

      NOTE: When CR open this with record select button on toolbar, and then click OK the formula change to:
      {PERSONS.LASTNAME} Like ["smith","jackson"]
      but this is not working correctly, see point e)

b) {PERSONS.LASTNAME} Like "smith"

            everything is OK BUT ONLY FOR ONE RECORD !!


            everything is OK BUT ONLY FOR UPPER CASE  !!

d) {PERSONS.LASTNAME} Like ["smith"]

      RESULT: NOTHING !!!!

e) {PERSONS.LASTNAME} Like ["smith","jackson"]

      RESULT: NOTHING !!!!
4) HELP !! HELP !! HELP !! HELP !! HELP !! HELP !!
!! I need such formula which gives me two records for two values !!!
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TimCotteeHead of Software ServicesCommented:
A simple solution, albeit not really answering WHY it doesn't work is to use
LowerCase ({PERSONS.LASTNAME})Like ["smith*","jackson*"]

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Have you tried using "select * from table where lowercase(persons.lastname) like "smith*" or "jackson*"
TimCotteeHead of Software ServicesCommented:
Is there an echo ?
No echo, I got puled away while typing my response so I did not see your answer.  But hey that echo comment is pretty funny.  
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