Method CodePointCount

CodePointCount(String, Int32, Int32)

Returns the number of Unicode code points in the specified text range of this . The text range begins at the specified beginIndex and extends to the at index endIndex - 1. Thus the length (in s) of the text range is endIndex-beginIndex. Unpaired surrogates within the text range count as one code point each.

Declaration
public static int CodePointCount(this string str, int beginIndex, int endIndex)
Parameters
Type Name Description
System.String str
System.Int32 beginIndex

the index to the first of the text range.
System.Int32 endIndex

the index after the last of the text range.
Returns
Type Description
System.Int32

the number of Unicode code points in the specified text range