$mid(text,S,N)
Returns N characters starting at position S in text.
$mid(othello,3,4) returns hell
If N is zero, it returns the number of characters from S to the end of the line.
You may also use negative numbers for S or N.
what i am trying to is to take out lets say the secound char from a string etc..
string "abc 123 qwe"
then to take the 2chr "b" or the 5 till the 8 "123 "