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Home/ Questions/Q 3855718
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Editorial Team
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Editorial Team
Asked: May 19, 20262026-05-19T17:49:08+00:00 2026-05-19T17:49:08+00:00

I have a regex that right now only allows lowercase letters, I need one

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I have a regex that right now only allows lowercase letters, I need one that requires either lowercase or uppercase letters:

/(?=.*[a-z])/
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  1. Editorial Team
    Editorial Team
    2026-05-19T17:49:09+00:00Added an answer on May 19, 2026 at 5:49 pm

    Try /(?=.*[a-z])/i

    Note the i at the end, this makes the expression case insensitive.

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