Finding last index of a string in Oracle

I need to find the last index of a string (e.g. -) within another string (e.g. JD-EQ-0001 in Oracle's SQL (version 8i). Is there a way to do this with INSTR() or another function?

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最佳答案

Use -1 as the start position:

INSTR('JD-EQ-0001', '-', -1)

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