// 通过正则判断是否匹配
func Match(pattern string, b []byte) (matched bool, error error)
func MatchString(pattern string, s string) (matched bool, error error)
func MatchReader(pattern string, r io.RuneReader) (matched bool, error error)
// 通过正则获取内容
func (re *Regexp) Find(b []byte) []byte
func (re *Regexp) FindIndex(b []byte) (loc []int)
func (re *Regexp) FindSubmatch(b []byte) [][]byte
func (re *Regexp) FindSubmatchIndex(b []byte) []int
func (re *Regexp) FindAll(b []byte, n int) [][]byte
func (re *Regexp) FindAllIndex(b []byte, n int) [][]int
func (re *Regexp) FindAllSubmatch(b []byte, n int) [][][]byte
func (re *Regexp) FindAllSubmatchIndex(b []byte, n int) [][]int
func (re *Regexp) FindString(s string) string
func (re *Regexp) FindStringIndex(s string) (loc []int)
func (re *Regexp) FindStringSubmatch(s string) []string
func (re *Regexp) FindStringSubmatchIndex(s string) []int
func (re *Regexp) FindAllString(s string, n int) []string
func (re *Regexp) FindAllStringIndex(s string, n int) [][]int
func (re *Regexp) FindAllStringSubmatch(s string, n int) [][]string
func (re *Regexp) FindAllStringSubmatchIndex(s string, n int) [][]int
func (re *Regexp) FindReaderIndex(r io.RuneReader) (loc []int)
func (re *Regexp) FindReaderSubmatchIndex(r io.RuneReader) []int