StartsWith()

static bool System.MemoryExtensions.StartsWith ( this ReadOnlySpan< char > span, ReadOnlySpan< char > value, StringComparison comparisonType )

inlinestatic

Definition at line 1593 of file MemoryExtensions.cs.

    {
        string.CheckStringComparison(comparisonType);
        switch (comparisonType)
        {
        case StringComparison.CurrentCulture:
        case StringComparison.CurrentCultureIgnoreCase:
            return CultureInfo.CurrentCulture.CompareInfo.IsPrefix(span, value, string.GetCaseCompareOfComparisonCulture(comparisonType));
        case StringComparison.InvariantCulture:
        case StringComparison.InvariantCultureIgnoreCase:
            return CompareInfo.Invariant.IsPrefix(span, value, string.GetCaseCompareOfComparisonCulture(comparisonType));
        case StringComparison.Ordinal:
            return span.StartsWith(value);
        default:
            return span.StartsWithOrdinalIgnoreCase(value);
        }
    }

References System.comparisonType, System.Globalization.CultureInfo.CurrentCulture, System.Globalization.CompareInfo.Invariant, and System.value.