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| package main
import ( "fmt" "strings" "unicode" )
func main() { TestTrim()
TestTrimFunc()
TestTrimLeft()
TestTrimLeftFunc()
TestTrimRight()
TestTrimRightFunc() TestTrimSpace()
TestTrimPrefix()
TestTrimSuffix()
}
func TestTrim() { fmt.Println(strings.Trim(" steven wang " , " ")) }
func TestTrimFunc() { f := func(c rune) bool { return !unicode.IsLetter(c) && !unicode.IsNumber(c) } fmt.Println(strings.TrimFunc("!@#¥%steven wang%¥#@" , f)) }
func TestTrimLeft() { fmt.Println(strings.TrimLeft(" steven wang " , " ")) }
func TestTrimLeftFunc() { f := func(c rune) bool { return !unicode.IsLetter(c) && !unicode.IsNumber(c) } fmt.Println(strings.TrimLeftFunc("!@#¥%steven wang%¥#@" , f)) }
func TestTrimRight() { fmt.Println(strings.TrimRight(" steven wang " , " ")) }
func TestTrimRightFunc() { f := func(c rune) bool { return !unicode.IsLetter(c) && !unicode.IsNumber(c) } fmt.Println(strings.TrimRightFunc("!@#¥%steven wang%¥#@" , f)) }
func TestTrimSpace() { fmt.Println(strings.TrimSpace(" \t\n a lone gopher \n\t\r\n")) }
func TestTrimPrefix() { var s = "Goodbye,world!" s = strings.TrimPrefix(s, "Goodbye") fmt.Println(s) }
func TestTrimSuffix() { var s = "Hello, goodbye, etc!" s = strings.TrimSuffix(s, "goodbye, etc!") fmt.Println(s) }
|