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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
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