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isAlphanumeric ​

Determine if the string is composed of alphanumeric characters.

php
Twine\Str::isAlphanumeric() : bool

Examples ​

php
$string = new Twine\Str('JohnPinkerton123');

$string->isAlphanumeric(); // Returns true
php
$string = new Twine\Str('john pinkerton');

$string->isAlphanumeric(); // Returns false