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              String
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| Name | Description | |
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              IndexOfPreviousToken(String, Char, Int32, Int32, Boolean) | Processing from RIGHT to LEFT, finds the index of the "n" occurrence of a character (a token) within a string | 
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              IndexOfPreviousToken(String, String, Int32, Int32, Boolean) | Processing from RIGHT to LEFT, finds the index of the "n"occurrence of one string (a token) within a string |