Golang React JS Technology Blog

Replace first occurrence of string using Regexp

Example

package main

import (
	"fmt"
	"regexp"
)

func main() {
	strEx := "Php-Golang-Php-Python-Php-Kotlin"
	reStr := regexp.MustCompile("^(.*?)Php(.*)$")
	repStr := "${1}Java$2"
	output := reStr.ReplaceAllString(strEx, repStr)
	fmt.Println(output)
}

Output

Java-Golang-Php-Python-Php-Kotlin
Most Helpful This Week
Regular expression to extract filename from given path in Golang Regular expression to validate the date format in "dd/mm/yyyy" How to extract text from between html tag using Regular Expressions in Golang? Regular expression to extract domain from URL Regular expression to extract all Non-Alphanumeric Characters from a String Regular expression to validate phone number