caselessChangeStr

>>-caselessChangeStr(needle,newneedle--+--------+--)---------------------------------><
                                       +-,count-+

Returns a copy of the receiver object in which [newneedle] replaces occurrences of [needle] . If [count] is not specified, all occurrences of [needle] are replaced. If [count] is specified, it must be a positive, whole number that gives the maximum number of occurrences to be replaced. The [needle] searches are performed using caseless comparisons.

Here are some examples:

String class - caselessChangeStr method

"AbaAbb"~caselessChangeStr("A","")     ->    "bbb"
AbaBabAB~changeStr("ab","xy")          ->    "xyxyxyxy"
AbaBabAB~changeStr("ab","xy",1)        ->    "xyaBabAB"