QGIS/resources/function_help/json/op_ne

{
  "name": "<>",
  "type": "operator",
  "description": "Compares two values and evaluates to 1 if they are not equal.",
  "arguments": [
        { "arg": "a", "description": "value" },
        { "arg": "b", "description": "value" }
  ],
  "examples": [
	{ "expression":"5 &lt;&gt; 4", "returns":"1"},
	{ "expression":"4 &lt;&gt; 4", "returns":"0"},
	{ "expression":"5 &lt;&gt; NULL", "returns":"NULL"},
	{ "expression":"NULL &lt;&gt; NULL", "returns":"NULL"}
  ]
}