replace

# given 'Hello World'

$string->replace('World', 'Universe'); # Hello Universe
$string->replace('world', 'Universe', 'i'); # Hello Universe
$string->replace(qr/world/i, 'Universe'); # Hello Universe
$string->replace(qr/.*/, 'Nada'); # Nada

The replace method performs a smart search and replace operation and returns the modified string (if any modification occurred). This method optionally takes a replacement modifier as it's final argument. Note, this operation expects the 2nd argument to be a replacement String. This method returns a string object.

replace(Str $arg1, Str $arg2) : StrObject

method