Possibilities for the future:
%x.len - Get the string length%x.head(n) - Extract the first n characters.%x.tail(n) - Extract everything but the first n characters.%x.after(s) - Extract everything after string s%x.toptail - Remove the first and last characters, e.g. for quotes, brackets, etc.%x.join(x,a,b,c...) - Return all params joined with x as the separator. If any param is an array then join the individual elements.%x.split(c) - Create an array of parts of a string separated by char c.
Possibilities for the future:
%x.len- Get the string length%x.head(n)- Extract the first n characters.%x.tail(n)- Extract everything but the first n characters.%x.after(s)- Extract everything after string s%x.toptail- Remove the first and last characters, e.g. for quotes, brackets, etc.%x.join(x,a,b,c...)- Return all params joined with x as the separator. If any param is an array then join the individual elements.%x.split(c)- Create an array of parts of a string separated by char c.