ISTARTSWITH

    Syntax

    ISTARTSWITH( string, substring )
    

    Description

    Case-insensitive version of STARTSWITH. Returns TRUE if string starts with substring.

    Argument types:

    • stringBoolean | Date | Datetime | Fractional number | Geopoint | Geopolygon | Integer | String | UUID
    • substringString

    Return type: Boolean

    Examples

    ISTARTSWITH("petrov ivan", "Petrov") = TRUE
    
    ISTARTSWITH("Lorem ipsum", "LORE") = TRUE
    
    ISTARTSWITH("Lorem ipsum", "abc") = FALSE
    

    Data source support

    ClickHouse 19.13, Microsoft SQL Server 2017 (14.0), MySQL 5.6, PostgreSQL 9.3.