str_split

  • Converting a string into an array of separate chunks is done in Ruby using the String#scan method along with the regular expression shown below.

    PHP

    $result = str_split("Hello World", 3);
var_export($result);
// => array(0 => 'Hel', 1 => 'lo ', 2 => 'Wor', 3 => 'ld')

    Ruby

    p "Hello World".scan(/.{1,3}/)
# => ["Hel", "lo ", "Wor", "ld"]

    To change the chunk size, we adjust the regular expression accordingly. Splitting into 20 character chunks would require the regular expression: /.{1,20}/

    see also

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