Contains
The "contains" operator/method is used to determine if an entity collection contains an element with a particular property.
Intersect
The SQL intersect operator returns rows that are common between two tables without returning duplicate records.
Others
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Edit just checked the performance of intersect it is slower than using .all with contains from question Select products that has all tags |
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I d say the intersect method see answer by dasblinkenlight + any must work better than contains + any from question Check whether a List<string> contains an element in another List<string> using LINQ |
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Given two ranges a a b and c c d do they intersect is one greater than the other or does one contains the other from question In what contexts do programming languages make real use of an Infinity value? |