Archive for September 7th, 2007

07
Sep

Trimming strings using the Flex StringUtil class’s trimArrayElements() method

The following example shows how you can remove leading and trailing spaces from an Array using the Flex StringUtil class’s trimArrayElements() method.

Similar to my earlier post, “Trimming strings using the Flex StringUtil class’s trim() method“, the StringUtil class has another rediculously handy method, trimArrayElements().

Essentially, this method allows you to trim leading and trailing whitespace from every element an array with one single method call, rather than having to resort to awkward loops and variable reassignments. The only real “gotcha” is that this method expects a string as a parameter and return value instead of an Array object.

Sayeth the docs:

public static function trimArrayElements(value:String, delimiter:String):String {...}
Removes all whitespace characters from the beginning and end of each element in an Array, where the Array is stored as a String.

Full code after the jump.

Continue reading ‘Trimming strings using the Flex StringUtil class’s trimArrayElements() method’

07
Sep

Trimming strings using the Flex StringUtil class’s trim() method

The following example shows you how to use the StringUtil.trim() method in Flex to remove leading and trailing whitespace from form fields before validating user input. This allows you to make sure that user’s don’t try anything sneaky like enter spaces instead of characters to bypass any minimum length validation you may have in place when validating data.

Full code after the jump.

Continue reading ‘Trimming strings using the Flex StringUtil class’s trim() method’