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On this page
  • Method Signature
  • Arguments
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  • Full function
  • Member function
  • Additional Examples
  • Related

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  1. BoxLang Language
  2. Reference
  3. Built-in Functions
  4. string

StringReduce

PreviousStringMapNextStringReduceRight

Last updated 16 days ago

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Run the provided udf over all characters in a string to reduce the values to a single output

Method Signature

StringReduce(list=[string], callback=[function:BiFunction], initialValue=[any], delimiter=[string], includeEmptyFields=[boolean], multiCharacterDelimiter=[boolean])

Arguments

Argument
Type
Required
Description
Default

list

string

true

callback

function:BiFunction

true

The callback to use for the test

initialValue

any

false

The initial value of the reduction

delimiter

string

false

,

includeEmptyFields

boolean

false

false

multiCharacterDelimiter

boolean

false

true

Examples

Full function

Reduce the string to a single value.

letters = "abcdef";
closure = ( Any inp1, Any inp2 ) => {
	return inp1 & inp2;
};
writeOutput( StringReduce( letters, closure, "z" ) );

Result: zabcdef

Member function

Reduce the string to a single value.

letters = "abcdef";
closure = ( Any inp1, Any inp2 ) => {
	return inp1 & inp2;
};
writeOutput( letters.reduce( closure, "z" ) );

Result: zabcdef

Additional Examples

letters = "abcdef";
closure = ( Any value1, Any value2 ) => {
	return value1 & value2;
};
writeOutput( stringReduce( letters, closure, "z" ) );

Related

Run Example
Run Example
SpanIncluding
ReFind
reFindNoCase
KebabCase
Ascii
Val
StringFilter
Compare
TrueFalseFormat
ReReplace
reReplaceNoCase
StripCR
Insert
CamelCase
StringBind
SnakeCase
Right
FindOneOf
ReEscape
SpanExcluding
CompareNoCase
StringReduceRight
Reverse
Replace
ReplaceList
ReplaceListNoCase
Slugify
Wrap
PascalCase
StringSort
StringEach
Trim
LTrim
UCFirst
Find
FindNoCase
ReMatch
reMatchNoCase
LJustify
RJustify
CharsetEncode
StringEvery
Left
UCase
ListReduce
YesNoFormat
Char
ReplaceNoCase
RemoveChars
RTrim
JSStringFormat
RepeatString
CharsetDecode
StringSome
SQLPrettify
StringMap
QueryStringToStruct
Mid
LCase
ParagraphFormat