Spread.NET 17 Formula Reference
Formula Functions / Functions H to L / LEFTB
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    This function returns the specified leftmost characters from a text value on the basis of the number of bytes in the specified value.


    LEFTB(mytext, num_bytes)


    This function has the following arguments:

    Argument Description
    mytext Refers to the text string that contains the characters you want to extract.
    num_bytes [Optional] Refers to the number of bytes to extract. If this value is not given, it uses one. If this value is not an integer, the number is truncated.


    The mytext argument can be a string, a formula that returns a string, or a reference to a cell containing a string.

    The num_bytes argument has the following rules:

    Data Types

    Accepts string data for the first argument and numeric data the second argument. Returns string data.


    LEFTB("rheabuto",4) gives the result rhea.

    LEFTB("rheabuto") gives th result r.

    Version Available

    This function is available in Spread for Windows Forms 11.0 or later.