A string variable is created by enclosing a text sequence within double quotes:
str = "this is a string";
If the string needs to contain special characters, including the double quote character itself, the special characters are prefixed with an escape sequence consisting of a backslash (\) following by an exclamation mark (!).
Here are some examples of escape sequences – the ones in bold are the ones that I use often:
Examples:
str1 = " \!"Hello World\!" "
str2 = "\!Nline 1\!Nline 2\!N"
If you are constructing a text string that has embedded within it a large number of double quotes there is an alternate notation that can be used:
str = " ... \[ ... ]\ ... "
Everything between the brackets does not need or support escape sequences.
Example:
str = "\[ "Hello World" ]\"
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