Reports the zero-based index position of the last occurrence of a specified string within this instance. The search starts at a specified character position and proceeds backward toward the beginning of the string. Reports the zero-based index position of the last occurrence of a specified Unicode character within this instance. The search starts at a specified character position and proceeds backward toward the beginning of the string for a specified number of character positions. Reports the zero-based index position of the last occurrence of the specified Unicode character in a substring within this instance.
A parameter specifies the type of comparison to perform when searching for the specified string. Reports the zero-based index of the last occurrence of a specified string within the current String object. LastIndexOf(String, Int32, StringComparison) The search starts at a specified character position and proceeds backward toward the beginning of the string for the specified number of character positions. Overloads LastIndexOf(String, Int32, Int32, StringComparison)
The method returns -1 if the character or string is not found in this instance. Reports the zero-based index position of the last occurrence of a specified Unicode character or string within this instance.
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