SpanExcluding

Gets characters from a string, from the beginning to a character that is in a specified set of characters. The search is case-sensitive.

SpanExcluding( string, set )

Returns: String

Argument	Description
string _{string, required}	A string or a variable that contains one
set _{string, required}	A string or a variable that contains a set of characters. Must contain one or more characters

writeDump(spanExcluding("Plant green! save earth!", "s"));
//Member Function 
str="AabByyysss";
writeDump(str.spanExcluding("s"));