Count sentences

count_sentences — This is used to count the number of sentences in a variable/string

if $name equal to "Two Soviet Ships Collide - One Dies. Enraged Cow Injures Farmer with Axe."

    {$name}
    {$name|count_sentences}
	

	Two Soviet Ships Collide - One Dies. Enraged Cow Injures Farmer with Axe.
    2