TrimEx

function
TrimEx(
 str,
 symbol,
 side= = "both",
);

The function deletes the symbol'$symbol' from the string '$str' from the side '$side'. This function deletes not more than one symbol from each side.

Parameter	Description
str	String, from which the deleting is performed
symbol	Symbols to be deleted
side	From which side the deleting is performed: both - at the beginning and end of the string; left - at the beginning of the string; right - at the end of the string.