# ee.Filter.stringStartsWith

Creates a unary or binary filter that passes if the left operand, a string, starts with the right operand, also a string.

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| Usage | Returns |
|---|---|
| `ee.Filter.stringStartsWith(*leftField*, *rightValue*, *rightField*, *leftValue*)` | Filter |

| Argument | Type | Details |
|---|---|---|
| `leftField` | String, default: null | A selector for the left operand. Should not be specified if leftValue is specified. |
| `rightValue` | Object, default: null | The value of the right operand. Should not be specified if rightField is specified. |
| `rightField` | String, default: null | A selector for the right operand. Should not be specified if rightValue is specified. |
| `leftValue` | Object, default: null | The value of the left operand. Should not be specified if leftField is specified. |