StringFilter()

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

Introduced: 6.0.0.105

StringFilter( string=string, closure=function );

Returns: String

Argument Description
string
string, required

Input string.

Alias: string
closure
function, required

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

Alias: function, callback, udf

Examples

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

<span class="nv">result</span> <span class="o">=</span> <span class="nf">stringFilter</span><span class="p">(</span><span class="nv">letters</span><span class="p">,</span><span class="nv">callbackFunction</span><span class="p">);</span>
<span class="nf">writeDump</span><span class="p">(</span><span class="nv">result</span><span class="p">);</span>
<span class="nv">result1</span> <span class="o">=</span> <span class="nf">stringFilter</span><span class="p">(</span><span class="s2">&quot;bob&quot;</span><span class="p">,</span><span class="nv">callbackFunction</span><span class="p">);</span>
<span class="nf">writeDump</span><span class="p">(</span><span class="nv">result1</span><span class="p">);</span>

See also