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Home/ Questions/Q 7825695
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Editorial Team
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Editorial Team
Asked: June 2, 20262026-06-02T09:07:03+00:00 2026-06-02T09:07:03+00:00

Using vi, I want to match a string, but only if the line doesn’t

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Using vi, I want to match a string, but only if the line doesn’t end with some letter, say Q.

E.g., if the file is:

myQ
my

I want to match the first line but not the second.

From reading related posts it would seem that look aheads should work:

/[?=my][?!Q]

should find just the second line
but it finds the first.

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  1. Editorial Team
    Editorial Team
    2026-06-02T09:07:05+00:00Added an answer on June 2, 2026 at 9:07 am

    I’d go with the following

    /^.\+[^Q]$^/
    
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