| IndexOfAny(String, String) | Returns the zero-based index of the first occurrence of one of the the specified
characters in s. |
| IndexOfAny(String, String, Int32) | Returns the zero-based index of the first occurrence of one of the the specified
characters in s. The search starts at the specified
startIndex. |
| IndexOfAny(String, String, Int32, Int32) | Returns the zero-based index of the first occurrence of one of the the specified
characters in s. The search begins at a specified index and a
specified number of character positions are checked. |