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Home/ Questions/Q 8912223
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Editorial Team
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Editorial Team
Asked: June 15, 20262026-06-15T04:08:48+00:00 2026-06-15T04:08:48+00:00

I need to find out if string contains a given substring. For example, if

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I need to find out if string contains a given substring.

For example, if I’m looking for the substring ABC in a string like this:

S := 'ABC String';

I should get result True, whilst for the following string I should get result False:

S := 'DEF String';

How to check if a string contains a substring in InnoSetup ?

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  1. Editorial Team
    Editorial Team
    2026-06-15T04:08:50+00:00Added an answer on June 15, 2026 at 4:08 am

    Innosetup has a Pos() function that works exactly like Delphi’s. See the Support Functions Reference at http://www.jrsoftware.org/ishelp/index.php?topic=scriptfunctions

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