plsql - PLS00103: Encountered the symbol "I" when expecting one of the following -


dears, want make function cleanse phone numbers, wrote below function, faced error:

error: pls-00103: encountered symbol "i" when expecting 1 of following:   ( line: 15 text: if substr(o_num,1,3) in i.e_code

enter image description here

in operator syntax not correct. should be

if substr(o_num,1,3) in(i.e_code)

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