Contains
func Contains( s , substr string ) bool
功能:字符串 s 中是否包含 substr ,返回 bool 值
示例代码:
fmt . Println ( strings . Contains ( "seafood" , "foo" ))
fmt . Println ( strings . Contains ( "seafood" , "bar" ))
fmt . Println ( strings . Contains ( "seafood" , "" ))
fmt . Println ( strings . Contains ( "" , "" ))
// 运行结果 :
//true
//false
//true
//true
Join
func Join( a [] string , sep string ) string
功能:字符串链接,把 slice a 通过 sep 链接起来
示例代码:
s := [] string { "foo" , "bar" , "baz" }
fmt . Println ( strings . Join ( s , ", " ))
// 运行结果 :foo, bar, baz
Index
func Index( s , sep string ) int
功能:在字符串 s 中查找 sep 所在的位置,返回位置值,找不到返回 - 1
示例代码:
fmt . Println ( strings . Index ( "chicken" , "ken" ))
fmt . Println ( strings . Index ( "chicken" , "dmr" ))
// 运行结果 :
// 4
// -1
Repeat
func Repeat( s string , count int ) string
功能:重复 s 字符串 count 次,最后返回重复的字符串
示例代码:
fmt . Println ( "ba" + strings . Repeat ( "na" , 2 ))
// 运行结果 :banana
Replace
func Replace( s , old , new string , n int ) string
功能:在 s 字符串中,把 old 字符串替换为 new 字符串, n 表示替换的次数,小于 0 表示全部替换
示例代码:
fmt . Println ( strings . Replace ( "oink oink oink" , "k" , "ky" , 2 ))
fmt . Println ( strings . Replace ( "oink oink oink" , "oink" , "moo" , - 1 ))
// 运行结果 :
//oinky oinky oink
//moo moo moo
Split
func Split( s , sep string ) [] string
功能:把 s 字符串按照 sep 分割,返回 slice
示例代码:
fmt . Printf ( "%q\n" , strings . Split ( "a,b,c" , "," ))
fmt . Printf ( "%q\n" , strings . Split ( "a man a plan a canal panama" , "a " ))
fmt . Printf ( "%q\n" , strings . Split ( " xyz " , "" ))
fmt . Printf ( "%q\n" , strings . Split ( "" , "Bernardo O'Higgins" ))
// 运行结果 :
//["a" "b" "c"]
//["" "man " "plan " "canal panama"]
//[" " "x" "y" "z" " "]
//[""]
Trim
func Trim( s string , cutset string ) string
功能:在 s 字符串的头部和尾部去除 cutset 指定的字符串
示例代码:
fmt . Printf ( "[%q]" , strings . Trim ( " !!! Achtung !!! " , "! " ))
// 运行结果 :["Achtung"]
Fields
func Fields( s string ) [] string
功能:去除 s 字符串的空格符,并且按照空格分割返回 slice
示例代码:
fmt . Printf ( "Fields are: %q" , strings . Fields ( " foo bar baz " ))
// 运行结果 :Fields are: ["foo" "bar" "baz"]
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The Art of Computer Programming, Volume 3
Donald E. Knuth / Addison-Wesley Professional / 1998-05-04 / USD 74.99
Finally, after a wait of more than thirty-five years, the first part of Volume 4 is at last ready for publication. Check out the boxed set that brings together Volumes 1 - 4A in one elegant case, and ......一起来看看 《The Art of Computer Programming, Volume 3》 这本书的介绍吧!
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