Introduction :
You can’t directly print the dollar_($)_ symbol in dart. It is used only with an identifier or an expression in curly braces. For example :
main() {
var s = "Hello $ World";
print(s);
}
It will throw one error :
Error: A '$' has special meaning inside a string, and must be followed by an identifier or an expression in curly braces ({}).
Try adding a backslash (\) to escape the '$'.
var s = "Hello $ World";
We can either add one backslash or use one raw string to print it.
Example 1 : Using backslash :
main() {
var s = "Hello \$ World";
print(s);
}
Output :
Hello $ World
Example 2: Using raw string :
Raw string can be created by prepending an ‘r’ to a string. It treats $ as a literal character.
main() {
var s = r'Hello $ World';
print(s);
}
Output :
Hello $ World
