func Clone(s string) string //
func Compare(a, b string) int // 比较
func Contains(s, substr string) bool // 包含子字符串
func ContainsAny(s, chars string) bool // 包含任意Char
func ContainsRune(s string, r rune) bool // 包含Rune
func Count(s, substr string) int // 计数
func Cut(s, sep string) (before, after string, found bool)
func EqualFold(s, t string) bool //
func Fields(s string) []string // 切割
func FieldsFunc(s string, f func(rune) bool) []string
func HasPrefix(s, prefix string) bool // 前缀判断 startswith
func HasSuffix(s, suffix string) bool // 后缀判断 endswith
func Index(s, substr string) int // 查找
func IndexAny(s, chars string) int // 查找Any
func IndexByte(s string, c byte) int // 查找Byte
func IndexFunc(s string, f func(rune) bool) int // 查找Func
func IndexRune(s string, r rune) int // 查找Rune
func Join(elems []string, sep string) string // 连接
func LastIndex(s, substr string) int // 右查找
func LastIndexAny(s, chars string) int // 右查找Any
func LastIndexByte(s string, c byte) int // 右查找Byte
func LastIndexFunc(s string, f func(rune) bool) int // 右查找Func
func Map(mapping func(rune) rune, s string) string //
func Repeat(s string, count int) string // 重复
func Replace(s, old, new string, n int) string // 替换
func ReplaceAll(s, old, new string) string // 替换 = Replace -1
func Split(s, sep string) []string // 切割
func SplitAfter(s, sep string) []string //
func SplitAfterN(s, sep string, n int) []string //
func SplitN(s, sep string, n int) []string //
func Title(s string) string //
func ToLower(s string) string // 转小写
func ToLowerSpecial(c unicode.SpecialCase, s string) string
func ToTitle(s string) string // Title
func ToTitleSpecial(c unicode.SpecialCase, s string) string
func ToUpper(s string) string
func ToUpperSpecial(c unicode.SpecialCase, s string) string
func ToValidUTF8(s, replacement string) string
func Trim(s, cutset string) string
func TrimFunc(s string, f func(rune) bool) string
func TrimLeft(s, cutset string) string
func TrimLeftFunc(s string, f func(rune) bool) string
func TrimPrefix(s, prefix string) string
func TrimRight(s, cutset string) string
func TrimRightFunc(s string, f func(rune) bool) string
func TrimSpace(s string) string
func TrimSuffix(s, suffix string) string
type Builder
func (b *Builder) Cap() int
func (b *Builder) Grow(n int)
func (b *Builder) Len() int
func (b *Builder) Reset()
func (b *Builder) String() string
func (b *Builder) Write(p []byte) (int, error)
func (b *Builder) WriteByte(c byte) error
func (b *Builder) WriteRune(r rune) (int, error)
func (b *Builder) WriteString(s string) (int, error)
type Reader
func NewReader(s string) *Reader
func (r *Reader) Len() int
func (r *Reader) Read(b []byte) (n int, err error)
func (r *Reader) ReadAt(b []byte, off int64) (n int, err error)
func (r *Reader) ReadByte() (byte, error)
func (r *Reader) ReadRune() (ch rune, size int, err error)
func (r *Reader) Reset(s string)
func (r *Reader) Seek(offset int64, whence int) (int64, error)
func (r *Reader) Size() int64
func (r *Reader) UnreadByte() error
func (r *Reader) UnreadRune() error
func (r *Reader) WriteTo(w io.Writer) (n int64, err error)
type Replacer
func NewReplacer(oldnew ...string) *Replacer
func (r *Replacer) Replace(s string) string
func (r *Replacer) WriteString(w io.Writer, s string) (n int, err error)
Builder
Reader
Replacer
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