Split paragraphs into Sentences

Question

I have a large bunch of text. For example

I want to split a paragraph into sentences. But, there is a problem. My paragraph includes dates like Jan.13, 20

Answer 1

This is a rough version of I believe you were looking for: I an running a loop through the characters looking for the combination of ". "

As the loop runs the characters are added to currentSentence String?. When the combination is found, the currentSentence is added to sentences[sentenceNumber].

In addition, 2 exceptions have to be caught, the first whent he loop is on iteration 2 as period == index-1. The second is the last sentence as there is no space after the period.

var paragraph = "I want to split a paragraph into sentences. But, there is a problem. My paragraph includes dates like Jan.13, 2014 , words like U.A.E abd numbers like 2.2. How do I split this."

var sentences = [String]()
var sentenceNumber = 0
var currentSentence: String? = ""

var charArray = paragraph.characters
var period = 0

for (index, char) in charArray.enumerate() {
    currentSentence! += "\(char)"
    if (char == ".") {
        period = index

        if (period == charArray.count-1) {
            sentences.append(currentSentence!)
        }
    } else if ((char == " " && period == index-1 && index != 1) || period == (charArray.count-1)) {

        sentences.append(currentSentence!)
        print(period)
        currentSentence = ""
        sentenceNumber++
    }
}