How to Trim a String in Golang? (original) (raw)

Last Updated : 12 Jul, 2025

In Go, strings are UTF-8 encoded sequences of variable-width characters, unlike some other languages like Java, python and C++. Go provides several functions within the strings package to trim characters from strings.In this article we will learn how to Trim a String in Golang.

Example

s := "@@Hello, Geeks!!"

Syntax

****func Trim(s string, cutset string) string #**Trim
**func TrimLeft(s string, cutset string) string # TrimLeft
**func TrimRight(s string, cutset string) string # TrimRight
**func TrimSpace(s string) string # TrimSpace
**func TrimPrefix(s, prefix string) string # TrimPrefix
**func TrimSuffix(s, suffix string) string # TrimSuffix

Table of Content

• Trim
• TrimLeft
• TrimRight
• TrimSpace
• TrimPrefix
• TrimSuffix

Trim

The Trim function removes all specified leading and trailing characters from a string.

**Syntax

func Trim(s string, cutset string) string

• s: The string to trim.
• cutset: Characters to remove from both ends.

**Example:

Go `

package main

import ( "fmt" "strings" )

func main() { s := "@@Hello, Geeks!!" result := strings.Trim(s, "@!") fmt.Println(result) }

`

TrimLeft

The TrimLeft function removes specified characters from the start of a string.

Syntax

func TrimLeft(s string, cutset string) string

Example:

Go `

package main

import ( "fmt" "strings" )

func main() { s := "@@Hello, Geeks!!" result := strings.TrimLeft(s, "@!") fmt.Println(result) }

`

TrimRight

The TrimRight function removes specified characters from the end of a string.

**Syntax

func TrimRight(s string, cutset string) string

Example

Go `

package main

import ( "fmt" "strings" )

func main() { s := "@@Hello, Geeks" result := strings.TrimRight(s, "Geeks") fmt.Println(result) }

`

TrimSpace

The TrimSpace function removes all leading and trailing whitespace from a string.

**Syntax

func TrimSpace(s string) string

**Example:

Go `

package main import ( "fmt" "strings" )

func main() { s := " Hello, Geeks " result := strings.TrimSpace(s) fmt.Println(result) }

`

TrimPrefix

The TrimPrefix function removes a specified prefix from the beginning of a string if present.

**Syntax

func TrimPrefix(s, prefix string) string

**Example:

Go `

package main import ( "fmt" "strings" )

func main() { s := "@@Hello, Geeks!!" result := strings.TrimPrefix(s, "@@") fmt.Println(result) }

`

TrimSuffix

The TrimSuffix function removes a specified suffix from the end of a string if present.

**Syntax

Go `

package main import ( "fmt" "strings" ) func main() { s := "@@Hello, Geeks" result := strings.TrimSuffix(s, "eeks") fmt.Println(result) }

`