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Golang – strings.SplitN()
strings.SplitN() is a built-in function in Golang that is used to split a given string into substrings by the given separator. It returns the slices of the substrings between those separators.
Syntax
func SplitN(str, sep string, n int) []string
Where,
- str is the given input string,
- sep is the separator string, and
- n defines the number of substrings that is to be returned.
Example 1
Consider the following example −
package main
import (
"fmt"
"strings"
)
func main() {
// Intializing the Strings
p := "1, 2, 3, 4, 5, 6, 7"
q := "Welcome to Golang Programming Language"
r := "SplitN"
s := "1.2.3.4.5"
t := "String/Package/Function"
// Display the Strings
fmt.Println("String 1: ", p)
fmt.Println("String 2: ", q)
fmt.Println("String 3: ", r)
fmt.Println("String 4: ", s)
fmt.Println("String 5: ", t)
// Using the SplitN Function
test1 := strings.SplitN(p, ",", 6)
test2 := strings.SplitN(q, " ", 0)
test3 := strings.SplitN(r, "N", -1)
test4 := strings.SplitN(s, ".", 5)
test5 := strings.SplitN(t, "/", 3)
test6 := strings.SplitN(q, "to ", -1)
test7 := strings.SplitN(s, ".", 4)
// Display the SplitN Output
fmt.Println("\nSplitN for String 1:", test1)
fmt.Println("SplitN for String 2:", test2)
fmt.Println("SplitN for String 3:", test3)
fmt.Println("SplitN for String 4:", test4)
fmt.Println("SplitN for String 5:", test5)
fmt.Println("SplitN for String 2:", test6)
fmt.Println("SplitN for String 4:", test7)
}Output
It will generate the following output −
String 1: 1, 2, 3, 4, 5, 6, 7 String 2: Welcome to Golang Programming Language String 3: SplitN String 4: 1.2.3.4.5 String 5: String/Package/Function SplitN for String 1: [1 2 3 4 5 6, 7] SplitN for String 2: [] SplitN for String 3: [Split ] SplitN for String 4: [1 2 3 4 5] SplitN for String 5: [String Package Function] SplitN for String 2: [Welcome Golang Programming Language] SplitN for String 4: [1 2 3 4.5]
Example 2
Let us take another example.
package main
import (
"fmt"
"strings"
)
func main() {
// Declaring the Variables
var x string
var y string
// Intializing the Strings
x = "Golang Programming Language"
y = "SplitN-String-Package-Function"
// Display the Strings
fmt.Println("String 1: ", x)
fmt.Println("String 2:", y)
// Using SplitN
z := strings.SplitN(x, "Programming", 2)
w := strings.SplitN(y, "-", 3)
// Display the SplitN Output
fmt.Println("SplitN for String 1:", z)
// Using the for condition to display outputs of y variable
for v := range(w) {
fmt.Println("SplitN Function for String 2: ", w[v])
}
}Output
It will generate the following output −
String 1: Golang Programming Language String 2: SplitN-String-Package-Function SplitN for String 1: [Golang Language] SplitN Function for String 2: SplitN SplitN Function for String 2: String SplitN Function for String 2: Package-Function
Updated on: 10-Mar-2022
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