| IndexOf(Char) | Gets the zero-based index of the first occurrence of the specified value in this StringSegment. |
| IndexOf(ReadOnlySpanChar) | Gets the zero-based index of the first occurrence of the specified value in this StringSegment using ordinal comparison. |
| IndexOf(String) | Gets the zero-based index of the first occurrence of the specified value in this StringSegment using ordinal comparison. |
| IndexOf(StringSegment) | Gets the zero-based index of the first occurrence of the specified value in this StringSegment using ordinal comparison. |
| IndexOf(Char, Int32) | Gets the zero-based index of the first occurrence of the specified value in this StringSegment using the specified startIndex. |
| IndexOf(Char, StringComparison) | Gets the zero-based index of the first occurrence of the specified value in this StringSegment using the specified comparison. |
| IndexOf(ReadOnlySpanChar, StringComparison) | Gets the zero-based index of the first occurrence of the specified value in this StringSegment using the specified comparison. |
| IndexOf(String, StringComparison) | Gets the zero-based index of the first occurrence of the specified value in this StringSegment using the specified comparison. |
| IndexOf(StringSegment, StringComparison) | Gets the zero-based index of the first occurrence of the specified value in this StringSegment using the specified comparison. |
| IndexOf(Char, Int32, Int32) | Gets the zero-based index of the first occurrence of the specified value in this StringSegment using the specified startIndex and count values. |
| IndexOf(Char, Int32, StringComparison) | Gets the zero-based index of the first occurrence of the specified value in this StringSegment using the specified startIndex and comparison. |
| IndexOf(ReadOnlySpanChar, Int32, StringComparison) | Gets the zero-based index of the first occurrence of the specified value in this StringSegment using the specified startIndex and comparison. |
| IndexOf(String, Int32, StringComparison) | Gets the zero-based index of the first occurrence of the specified value in this StringSegment using the specified startIndex and comparison. |
| IndexOf(StringSegment, Int32, StringComparison) | Gets the zero-based index of the first occurrence of the specified value in this StringSegment using the specified startIndex and comparison. |
| IndexOf(Char, Int32, Int32, StringComparison) | Gets the zero-based index of the first occurrence of the specified value in this StringSegment using the specified startIndex, count and comparison. |
| IndexOf(ReadOnlySpanChar, Int32, Int32, StringComparison) | Gets the zero-based index of the first occurrence of the specified value in this StringSegment using the specified startIndex, count and comparison. |
| IndexOf(String, Int32, Int32, StringComparison) | Gets the zero-based index of the first occurrence of the specified value in this StringSegment using the specified startIndex, count and comparison. |
| IndexOf(StringSegment, Int32, Int32, StringComparison) | Gets the zero-based index of the first occurrence of the specified value in this StringSegment using the specified startIndex, count and comparison. |