Description

Correct variable names consist only of English letters, digits and underscores and they can’t start with a digit.

Check if the given string is a correct variable name.

Example

• For name = "var_1__Int", the output should be variableName(name) = true;

• For name = "qq-q", the output should be variableName(name) = false;

• For name = "2w2", the output should be variableName(name) = false.

Input/Output

• [execution time limit] 4 seconds (js)

• [input] string name

Guaranteed constraints: 1 ≤ name.length ≤ 10.

• [output] boolean

true if name is a correct variable name, false otherwise.

[JavaScript (ES6)] Syntax Tips

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// Prints help message to the console
// Returns a string
function helloWorld(name) {
    console.log("This prints to the console when you Run Tests");
    return "Hello, " + name;
}