string.filter()

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Filters a string to its elements for which the callback function returns true.

Introduced: 6.0.0.105

string.filter( closure=function )

Returns: String

Argument Description
closure
function, required 		edit

Closure or a function reference that will be called for each of the iteration.

Alias: function, callback, udf

Usage Notes

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Since Lucee 6, this function iterates over each character in the string.

For list-based iteration with delimiters, use string.listFilter() instead.

LDEV-3747

Examples

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	letters = "abbcdB";
	callbackFunction = function(input){return input=="b";}

	result = letters.filter(callbackFunction);
	writeDump(result);

	result1 = "bob".filter(callbackFunction);
	writeDump(result1);

See also