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Asked: 2026-05-26T05:31:51+00:00

How do I get a substring from this example value: john.abc_1234 I want it

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How do I get a substring from this example value: 

 john.abc_1234

I want it to return john.abc.So basically we need to remove all the information after _.

More examples: 1234_abc

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  1. Editorial Team

    You can use SUBSTR and INSTR:

    select substr('john.abc_1234', 1, instr('john.abc_1234', '_') -1)
from dual

    Warning: This is only guaranteed to work if your string actually has an underscore in it

    Update

    Additionally, if you are running from Oracle 10g on, you could take the Regex path, which would more powerfully handle exceptions.

    Here are some links on how to do it in Oracle:

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