Sample file for Urziya

sample.go

package main

import (
	"fmt"
	"regexp"
)

func main() {
	str := " -5 + 12 -3 "

	numbersRG, _ := regexp.Compile(`[0-9]+`)
	numbersList := numbersRG.FindAllString(str, -1)
	fmt.Println("numbersList:", numbersList)

	symbolsRG, _ := regexp.Compile(`[-+]`)
	symbolsList := symbolsRG.FindAllString(str, -1)
	fmt.Println("symbolsList:", symbolsList)
}