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Golang program to check a specified string pattern within a specified string using regular expression

Here, we are going to learn how to check a specified string pattern within a specified string using regular expression in Golang (Go Language)?
Submitted by Nidhi, on April 13, 2021

Problem Solution:

In this program, we will check the specified substring pattern within the specified string using the MatchString() function.

Program/Source Code:

The source code to check a specified string pattern within a specified string using regular expression is given below. The given program is compiled and executed on the ubuntu 18.04 operating system successfully.

// Golang program to check a specified string pattern
// in the specified string using regular expression

package main

import "fmt"
import "regexp"

func main() {
	result, _ := regexp.Compile("L([A-Z]+)N")

	fmt.Println(result.MatchString("LAN Network"))
	fmt.Println(result.MatchString("The king of forest is LION"))
	fmt.Println(result.MatchString("lan network"))
}

Output:

true
true
false

Explanation:

In the above program, we declare the package main. The main package is used to tell the Go language compiler that the package must be compiled and produced the executable file. Here, we imported the fmt, regexp packages then we can use a function related to the fmt and regexp package.

In the main() function, we checked a specified string contains a specified substring pattern using the MatchString() function. The MatchString() function returns the Boolean value.

Golang Regular Expressions Programs »



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