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StringEach
Last update:
May 18, 2026
Description
iterates over a string and runs the closure function for each element in the string.
Returns
Nothing
Category
History
ColdFusion (2021 release): Added this function.
Syntax
StringEach(String string, UDFMethod callback)Parameters
Parameter | Description |
string | (Required) The input string. |
callback | (Required) Closure function executed for each element in the string. The syntax is: callback (element, index, string) |
Example
<cfscript>
myCities="St. Petersburg"
callback=function(city){
WriteOutput(city & "<br/>")
}
StringEach(myCities,callback)
</cfscript>Output
S
t
.
P
e
t
e
r
s
b
u
r
g
t
.
P
e
t
e
r
s
b
u
r
g
EXAMPLE 2
<cfscript>
letters = "abcd"
callback=function(element,index){
writeOutput(#index#&":"&#element#&"<br/>")
}
StringEach(letters,callback)
</cfscript>OUTPUT
1:a
2:b
3:c
4:d
2:b
3:c
4:d
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