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Editorial Team
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Asked: 2026-05-31T09:28:27+00:00

I use the following regex, but it doesn’t work ([^@]+)(?:_@(\d+))? Variable_Name_1 Actual: \1 =

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I use the following regex, but it doesn’t work

([^@]+)(?:_@(\d+))?

Variable_Name_1

Actual:
\1 = Variable_Name_1
\2 = null

Expected:

\1 = Variable_Name_1
\2 = null

Variable_Name_1_@4

Actual:

\1 = Variable_Name_1_
\2 = null

Expected:

\1 = Variable_Name_1
\2 = 4

Do you have some ideas to solve my problem ?

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1 Answer

  1. Editorial Team

    If that’s the only requirement, regular expressions are overkill. How about this instead:

    >>> "variable_name_1".partition("_@")
('variable_name_1', '', '')
>>> "variable_name_2_@5".partition("_@")
('variable_name_2', '_@', '5')
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