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StringFilter
Last update:
May 18, 2026
Description
Filters a string to its elements for which the callback function returns true.
Returns
A new string.
Category
Syntax
StringFilter(String string, UDFMethod callback)History
ColdFusion (2021 release): Added this function.
Parameters
Parameter | Description |
string | (Required) The input string |
callback | (Required) Inline function executed for each element in the string. Returns true if the string element has to be included in the resultant string. |
Example
<cfscript>
myStr="diamonds"
callback=function(chr){
return chr>"d"
}
writeOutput(StringFilter(myStr,callback)) // imons
</cfscript>Example 2
<cfscript>
myStr="123456789"
callback=function(chr){
return chr>53
}
writeOutput(StringFilter(myStr,callback)) // 6789
</cfscript>
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