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Home/ Questions/Q 719435
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Editorial Team
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Editorial Team
Asked: May 14, 20262026-05-14T05:38:30+00:00 2026-05-14T05:38:30+00:00

I need a .NET regular expression that matches anything other than the exact full

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I need a .NET regular expression that matches anything other than the exact full string match specified. So basically:

^Index$

… is the only exclusion I care about. Strings can start with, finish with or contain "Index", but not match exactly.

The answer must be via the pattern itself, as I am passing an argument to a third-party library and do not have control over the process other than via the Regex pattern.

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  1. Editorial Team
    Editorial Team
    2026-05-14T05:38:30+00:00Added an answer on May 14, 2026 at 5:38 am

    This should do the trick:

    ^(?!Index$)
    
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