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Home/ Questions/Q 9206555
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Editorial Team
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Editorial Team
Asked: June 18, 20262026-06-18T00:12:02+00:00 2026-06-18T00:12:02+00:00

I want to replace password=aaa to password=bbb . How can I do that using

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I want to replace password=aaa to password=bbb.

How can I do that using RegEx?

My string is:

string input = "user=fred;password=aaa;server=localhost";

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  1. Editorial Team
    Editorial Team
    2026-06-18T00:12:03+00:00Added an answer on June 18, 2026 at 12:12 am

    Since you didn’t specify a language I’ll just make my answer generic. What function/method you use will depend on the language.

    Regular Expression: (?<=password=).*?(?=;)

    Replacement: newpassword

    And here’s a working example: http://fiddle.re/jn2b

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