> ## Documentation Index
> Fetch the complete documentation index at: https://docs.arc.cdata.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Whitespace Formatters

> Formatters for trimming, padding, aligning, and wrapping whitespace in string values in ArcScript.

## center(integer\_width\[, character])

Returns the attribute value centered in a string of width specified by the first parameter. Padding is done using the *fillchar* specified by the second parameter.

* **width**: The total width of the output string.
* **character**: The optional character used for padding. The default is a space.

## expandtabs(\[integer\_width])

Replaces all tab characters found in the attribute value with spaces. If the tab size specified by the parameter is not given, a default tab size of 8 characters is used.

* **width**: The optional tab width. The default is 8 characters.

## just(integer\_width\[, character])

Returns the attribute value left-justified in a string of length specified by the first parameter. Padding is done using the *fillchar* specified by the second parameter.

* **width**: The total width of the output string.
* **character**: The optional character used for padding. The default is a space.

## ljust(integer\_width\[, character])

Returns the attribute value left-justified in a string of length specified by the first parameter. Padding is done using the *fillchar* specified by the second parameter.

* **width**: The total width of the output string.
* **character**: The optional character used for padding. The default is a space.

## nowhitespace()

Removes the white space from the string represented by the attribute value.

## rjust(integer\_width\[, character])

Returns the right-justified attribute value in a string of length specified by the second parameter. Padding is done using the *fillchar* specified by the first parameter.

* **width**: The total width of the output string.
* **character**: The optional character used for padding. The default is a space.

## trim()

Removes leading and trailing whitespace from the input string.

### Example

```xml theme={null}
<arc:set attr="uglyString" value="    here is some data.  " />
<arc:set attr="prettyString" value="[uglyString | trim()]" />
```

## trimend()

Trims trailing white space from an attribute.

## trimstart()

Trims leading white space from an attribute.

## wordwrap(\[integer\_width]\[, break]\[, cut]\[, wrapexp])

Wraps a string to a certain width while respecting word boundaries.

* **width**: The maximum line length after wrapping the string.
* **break**: The character(s) used to break the string. The default value is *CRLF* (for example, `rn`).
* **cut**: The optional boolean value that specifies whether to wrap the string at or before the specified width. The default is `false`.
* **wrapexp**: A regex expression representing the characters to replace when breaking the string. The default is a space (this default is intended for strings consisting of words separated by spaces). To break a string without respecting word boundaries, set this parameter to empty string: ` `