[Remove space from a string] Using REGEX in JS #regex

string-regex.js

/// https://stackoverflow.com/questions/5963182/how-to-remove-spaces-from-a-string-using-javascript
str = str.replace(/\s+/g, '');

// \s is the regex for "whitespace", and g is the "global" flag, meaning match ALL \s (whitespaces).
// A great explanation for + can be found https://stackoverflow.com/questions/5964373/is-there-a-difference-between-s-g-and-s-g

// Alternative
var a = b = " /var/www/site/Brand new   document.docx ";

console.log( a.split(' ').join('') );
console.log( b.replace( /\s/g, '') );