32 lines
611 B
Go
32 lines
611 B
Go
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package main
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import (
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"fmt"
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"regexp"
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"strings"
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"os"
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)
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func check(err error) {
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if err != nil { panic(err) }
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}
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func main() {
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dat, err := os.ReadFile("data.txt")
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check(err)
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input := strings.TrimSpace(string(dat))
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towels := strings.Split(input, "\n\n")[0]
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towels = strings.Replace(towels, ", ", "|", -1)
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patterns := strings.Split(input, "\n\n")[1]
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r := regexp.MustCompile("^(" + towels + ")+$")
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counter := 0
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for _, line := range strings.Split(patterns, "\n") {
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if r.MatchString(line) { counter++ }
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}
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fmt.Println(counter)
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}
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