Function replaceAll( str, regex, replacement )

Description:
Replaces all occurrences of a regular expression in a string with a different substring value.
Parameters:
str (String)
string to manipulate
regex (String)
regular expression to match in str
replacement (String)
replacement string
Return Value (String):
same as str, but with all matches of regex replaced by replacement
Example:
replaceAll("1-2--3---4","--*","x") = "1x2x3x4"
Signature:
String replaceAll(String, String, String)