stringsregexp
strings.Count
1
strings.Count("abcdassa", "a")
结果是 3
as
1 2 3 4 5 6 7 8 9 10 11 12 13
package main
import (
"fmt"
"regexp"
)
func main() {
orExp := regexp.MustCompile("a|s")
matches := orExp.FindAllStringIndex("abcdassa", -1)
fmt.Println(len(matches))
}
结果会输出 5
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