Regexp works as it appears the problem has changed
This solultion uses regexp_like to test for the condition containing \'DIAB1\' preceeded by 1 to many spaces or for the condition starting with \'DIAB1\'\n\n\ns
This solultion uses regexp_like to test for the condition containing \'DIAB1\' preceeded by 1 to many spaces or for the condition starting with \'DIAB1\'\n\n```\nselect patient_id,\n       patient_name,\n       conditions\nfrom   patients\nwhere  regexp_like(conditions, \' +DIAB1|^DIAB1\')\n```
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