Question

How to get the first number from a string in Go

Answer 1

package main

import (
	"fmt"
	"regexp"
)

func main() {
	str := "abc87def1009g15hi"

	re := regexp.MustCompile("[0-9]+")

	result := re.FindAllString(str, -1)

	fmt.Println(result[0])
}



/*
run:

87

*/

 

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