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Editorial Team
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Asked: 2026-05-14T00:46:47+00:00

Usually i write my where statements as WHERE key=@0 then add a param. Now

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Usually i write my where statements as WHERE key=@0 then add a param. Now i would like the user to specific a few letters such as ‘oat’ and would like to stick wildcards around it %oat% which matches ‘coating’. So how do i write the query so wildcards are around the user input (the ‘seachword’).

Now lets take it a step further. I would not like the user to write % so he cannot do blah%ing. Perhaps % is part of the sentence (or it could be flat out illegal but i prefer it be part of the sentence). How do i put my wildcards around a word or sentence and disallow the user from putting the wildcard between his words? (and preferably make % part of the sentence)

C# ado.net sql/sqlite

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1 Answer

  1. Editorial Team

    RE: How do i put my wildcards around a word or sentence and disallow the user from putting the wildcard between his words? (and preferably make % part of the sentence)

    I think you would need to Replace any % the user supplies with \% and use 

    LIKE @Expression ESCAPE '\'
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