How to look for a list insto an other list

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Gimpy
Gimpy 2014-8-5
回答： Sean de Wolski 2014-8-5
Hi, I have the following list:
lookfor={'ab' 'cd' 'ef' 'ab' 'cd''gh' 'ij' 'ab' 'cd'}
into={'ab' 'cd' 'ef' 'gh' 'ij'}
I would like to know the colunm number for each element in "into" reults: [1 2 3 1 2...]

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Sean de Wolski
Sean de Wolski 2014-8-5
lookf={'ab' 'cd' 'ef' 'ab' 'cd' 'gh' 'ij' 'ab' 'cd'}
into={'ab' 'cd' 'ef' 'gh' 'ij'}
[~, idx] = ismember(into,lookf)

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