Splitting values into their own record

In oracle if I have a table called "Member diagnosis" that has a column called "diagnosis code"  with a value of d1|d2|d3|d4.  What is the syntax to split out each diagnosis code into its own record?

Maliki HassaniAsked:
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slightwv (䄆 Netminder) Commented:
Try this:
	regexp_substr(diagnosis_code,'[^|]+',1,1) d1,
	regexp_substr(diagnosis_code,'[^|]+',1,2) d2,
	regexp_substr(diagnosis_code,'[^|]+',1,3) d3,
	regexp_substr(diagnosis_code,'[^|]+',1,4) d4
from member_diagnosis

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slightwv (䄆 Netminder) Commented:
If you want them as rows instead of columns, try:
	regexp_substr(diagnosis_code, '[^|]+', 1, column_value) diagnosis_code
from member_diagnosis,
	table(select collect(level)
				from dual
			connect by level <= length(diagnosis_code) - length(replace(diagnosis_code, '|')) + 1)

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Maliki HassaniAuthor Commented:
Thank you, sir
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