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1 | | ---- |
2 | | -title: Expression Editor |
3 | | -author: Alexey Zolotarev |
4 | | -legacyId: 7430 |
5 | | ---- |
6 | | -# Expression Editor |
7 | | -The Expression Editor allows you to edit various Boolean or regular expressions in controls: |
8 | | - |
9 | | - |
10 | | - |
11 | | -In this editor, you can type an expression manually, or select functions, operators and operands using the editor's controls. |
12 | | - |
13 | | -An expression is a string that, when parsed and processed, evaluates some value. Expressions consist of column/field names, constants, operators and functions. Column/field names must be wrapped with brackets. The following are examples of regular expressions: |
14 | | - |
15 | | -_"[Quantity] * [UnitPrice] * (1 - [BonusAmount])"_ |
16 | | - |
17 | | -Boolean expressions: |
18 | | - |
19 | | -_"[Country] == 'USA'"_ |
20 | | - |
21 | | -For more information about syntax you can use in expressions, see [Expression Operators, Functions and Constants](expression-editor/expression-operators-functions-and-constants.md) |
22 | | - |
| 1 | +--- |
| 2 | +title: Expression Editor |
| 3 | +author: Alexey Zolotarev |
| 4 | +legacyId: 7430 |
| 5 | +--- |
| 6 | +# Expression Editor |
| 7 | +The Expression Editor allows you to edit various Boolean or regular expressions in controls: |
| 8 | + |
| 9 | + |
| 10 | + |
| 11 | +In this editor, you can type an expression manually, or select functions, operators and operands using the editor's controls. |
| 12 | + |
| 13 | +An expression is a string that, when parsed and processed, evaluates some value. Expressions consist of column/field names, constants, operators and functions. Column/field names must be wrapped with brackets. The following are examples of regular expressions: |
| 14 | + |
| 15 | +_"[Quantity] * [UnitPrice] * (1 - [BonusAmount])"_ |
| 16 | + |
| 17 | +Boolean expressions: |
| 18 | + |
| 19 | +_"[Country] == 'USA'"_ |
| 20 | + |
| 21 | +For more information about syntax you can use in expressions, see [Expression Operators, Functions and Constants](expression-editor/expression-operators-functions-and-constants.md) |
| 22 | + |
23 | 23 | The Expression Editor supports numerous standard functions, allowing you to easily perform different string, date-time, logical and math operations over data. You can access the available functions by selecting the **Functions** category. |
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