strmod

func (*Str) Contains(s, substr string) interface{}

func (*Str) EndsWith(s, suffix string) interface{}

func (*Str) Index(s, substr string) interface{}

func (*Str) Join(v interface{}, sep string) interface{}

func (*Str) Lower(s string) interface{}

func (*Str) Replace(s, old, new string) interface{}

func (*Str) Split(s, sep string) interface{}

func (*Str) StartsWith(s, prefix string) interface{}

func (*Str) Trim(s string) interface{}

func (*Str) Upper(s string) interface{}