37 lines
742 B
Go
37 lines
742 B
Go
// Copyright © 2018 Inanc Gumus
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// Learn Go Programming Course
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// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
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//
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// For more tutorials : https://learngoprogramming.com
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// In-person training : https://www.linkedin.com/in/inancgumus/
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// Follow me on twitter: https://twitter.com/inancgumus
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package main
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import (
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"bufio"
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"fmt"
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"os"
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"regexp"
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"strings"
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)
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func main() {
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in := bufio.NewScanner(os.Stdin)
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in.Split(bufio.ScanWords)
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rx := regexp.MustCompile(`[^A-Za-z]+`)
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total, words := 0, make(map[string]int)
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for in.Scan() {
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total++
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word := rx.ReplaceAllString(in.Text(), "")
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word = strings.ToLower(word)
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words[word]++
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}
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fmt.Printf("There are %d words, %d of them are unique.\n",
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total, len(words))
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}
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