PurgeChar - script and chart function

PurgeChar() returns a string consisting of the characters contained in the input string ('text'), excluding any that appear in the second argument ('remove_chars').

Syntax:  

PurgeChar(text, remove_chars)

Return data type: string

Arguments:  

Return data type: string

T1:
Load 
*, 
purgechar(String1, String2) as PurgeChar;  
Load * inline [
String1, String2
'a1b2c3', '123'
];