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version 2.111.0

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Function std.string.lastIndexOfNeither

Searches for the last character in haystack that is not in needles.

ptrdiff_t lastIndexOfNeither(Char, Char2)(
  const(Char)[] haystack,
  const(Char2)[] needles,
  in CaseSensitive cs = Yes.caseSensitive
) pure @safe
if (isSomeChar!Char && isSomeChar!Char2);

ptrdiff_t lastIndexOfNeither(Char, Char2)(
  const(Char)[] haystack,
  const(Char2)[] needles,
  in size_t stopIdx,
  in CaseSensitive cs = Yes.caseSensitive
) pure @safe
if (isSomeChar!Char && isSomeChar!Char2);

Parameters

NameDescription
haystack string to search for needles in
needles characters to search for in haystack
stopIdx index in haystack to stop searching at (exclusive); defaults to haystack.length
cs specifies whether comparisons are case-sensitive (Yes.caseSensitive) or not (No.caseSensitive)

Returns

The index of the last character in haystack that is not an element of needles. If all characters of haystack are in needles or stopIdx is 0, then -1 is returned. If the parameters are not valid UTF, the result will still be in the range [-1 .. stopIdx], but will not be reliable otherwise.

Example

writeln(lastIndexOfNeither("abba", "a")); // 2
writeln(lastIndexOfNeither("def", "f")); // 1

Example

writeln(lastIndexOfNeither("def", "rsa", 3)); // -1
writeln(lastIndexOfNeither("abba", "a", 2)); // 1

Authors

Walter Bright, Andrei Alexandrescu, Jonathan M Davis, and David L. 'SpottedTiger' Davis

License

Boost License 1.0.