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View this topic on docs.devexpress.com (Learn more)

FilterCondition Enumeration

Contains enumeration values that specify comparison operation types used to create filter conditions.

Namespace:DevExpress.Data.Filtering
Assembly:DevExpress.Data.v19.2.dll

Expanded Public Members

Show: Inherited
  Name Description
Public field Contains Specifies the Contains comparison operation.
Public field Default Specifies the default comparison operation.
Public field Equals Specifies the Equals comparison operation.
Public field Like Specifies the Like comparison operation.
Public field StartsWith Specifies the StartsWith comparison operation.
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Expanded Remarks

The Like operator determines whether a specific character string matches a specified pattern or not.

The following wildcard characters are supported:

  • % matches a string of zero or more characters. For instance:

    CriteriaOperator.Parse("Name like 'Jo%'") - returns all the objects whose Name begins with 'Jo'.

    CriteriaOperator.Parse("Name like '%car%'") - returns all the objects whose Name contains the 'car' substring.

  • _ matches a single character. For instance:

    CriteriaOperator.Parse("Name like 'car_'") - returns all the objects whose Names consist of four characters and begin with 'car'.

  • [ ] identifies a single character within the specified range ([a-c]) or set ([abc]). For instance:

    CriteriaOperator.Parse("Name like '[A-C]%'") - returns all the objects whose Name begins with 'A', 'B' or 'C'.

  • [^] excludes a single character not within the specified range ([^a-c]) or set ([^abc]). For instance:

    CriteriaOperator.Parse("Name like 're[^de]%'") - returns all the objects whose Name begins with 're', and where the following letter is not 'd' or 'e'.

Expanded See Also

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