<14> go strings_func

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go的strings包專門操作字串

import (    "fmt"    s "strings")var p = fmt.Printlnfunc main() {    p("Contains:  ", s.Contains("test", "es"))    p("Count:     ", s.Count("test", "t"))    p("HasPrefix: ", s.HasPrefix("test", "te"))    p("HasSuffix: ", s.HasSuffix("test", "st"))    p("Index:     ", s.Index("test", "e"))    p("Join:      ", s.Join([]string{"a", "b"}, "-"))    p("Repeat:    ", s.Repeat("a", 5))    // 負數全部替換掉    p("Replace:   ", s.Replace("foo", "o", "0", -1))    p("Replace:   ", s.Replace("foo", "o", "0", 1))    p("Split:     ", s.Split("a-b-c-d-e", "-"))    p("ToLower:   ", s.ToLower("TEST"))    p("ToUpper:   ", s.ToUpper("test"))    p("Len: ", len("hello"))    p("Char:", "hello"[1])}// 輸出Contains:   trueCount:      2HasPrefix:  trueHasSuffix:  trueIndex:      1Join:       a-bRepeat:     aaaaaReplace:    f00000Replace:    f0ooooSplit:      [a b c d e]ToLower:    testToUpper:    TESTLen:  5Char: 101

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