TrimStart removes specified characters from the start of a string value and returns the trimmed string.
The first argument is the string that has characters at the start that requires them to be trimmed. The second argument is the a string containing all characters to be trimmed from the first string. The order of characters does not matter, and the list is not comma separated.
For example:
Arg0: ## Test_
Arg1: #_
Output: Test_