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

Example of Switch Case with Break in For Loop How to fix race condition using Atomic Functions in Golang? How to replace emoji characters in string using regex in Golang? Various examples of printing and formatting in Golang How to create a photo gallery in Go? How to check string contains uppercase lowercase character in Golang?

Most Helpful This Week

How to split a string on white-space?Example: How to use ReadAtLeast from IO Package in Golang?How to blur an image in Golang?Regular expression to validate the date format in "dd/mm/yyyy"How to include and execute HTML template?How to kill execution of goroutine?Dynamic JSON parser without Struct in Golang How To Make an HTTP Server in Golang?Regular expression to extract all Non-Alphanumeric Characters from a String How to check string contains uppercase lowercase character in Golang?