STARTS_WITH

Returns true in a new column if a specified number of leftmost characters, or custom string, matches a pattern.

Parameters

• sourceColumn – The name of an existing column.

• value – A character string to evaluate.

• pattern – A regular expression that must match the start of the string.

• targetColumn – The name of the new column to be created.

Note

You can specify either sourceColumn or value, but not both.

Example

{
    "RecipeAction": {
        "Operation": "STARTS_WITH",
        "Parameters": {
            "sourceColumn": "nationality",
            "pattern": "[AEIOU]",
            "targetColumn": "nationality_starts_with"
        }
    }
}