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Asked: 2026-05-12T14:45:30+00:00

I want to find a sequence of select from where in a string. For

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I want to find a sequence of “select from where ” in a string. For example,

"select * from T WHERE t.c1 =1"

should be matched.

Here is the regular expression pattern I wrote:

"SELECT\s\.*FROM\s\.*WHERE\s\.*";

But it doesn’t work. What is wrong with it?

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1 Answer

  1. Editorial Team

    You shouldn’t have backslash-escaped the dots; since you did, the engine is trying to match a literal dot, not “any character” like you’re expecting.

    Try:

    SELECT\s.*FROM\s.*WHERE\s.*

    Also, as others have posted, make sure it’s in case-insensitive mode. How you do that depends on the language you’re using.

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