Return a boolean value number of the letters in a string.
String input to get letters count from.
boolean value to determine if numbers should be counted as letters.
Number of letters and numbers (if requested) in a string.
count('Hello, world!'); // 10count('Hello0 world', true); // 11 Copy
count('Hello, world!'); // 10count('Hello0 world', true); // 11
Return a boolean value number of the letters in a string.