$trim
Usage: $trim(text[,character])
Category: text
Description:
Trims all leading and trailing whitespaces from text. The optional second parameter character
specifies the character to trim. If multiple characters are provided in character, each character
will be applied separately to the function.
Examples:
The following statements will return the values indicated:
$trim( Trimmed ) ==> "Trimmed"
$trim(__Trimmed__,_) ==> "Trimmed"
$trim(x__Trimmed__y,_x) ==> "Trimmed__y"