Check if a character is alphanumerical ([a-zA-Z0-9]).
npm:
npm install is-alphanumericalvar alphanumerical = require('is-alphanumerical');
alphanumerical('a'); //=> true
alphanumerical('Z'); //=> true
alphanumerical('0'); //=> true
alphanumerical(' '); //=> false
alphanumerical('💩'); //=> falseCheck whether the given character code (number), or the character
code at the first position (string), is alphanumerical.