Undo

`⌘ Cmd` + `Z`

All hotkeys for Coda for iOS

General Show completions	`Esc`
General Insert indent (depending on the preference of tabs or spaces)	`⭾ Tab`
General New document tab	`⌘ Cmd` + `N`
General Close tab	`⌘ Cmd` + `W`
General Save	`⌘ Cmd` + `S`
General Undo	`⌘ Cmd` + `Z`
General Redo	`⌘ Cmd` + `↑ Shift` + `Z`
General Select all	`⌘ Cmd` + `A`
General Cut	`⌘ Cmd` + `X`
General Copy	`⌘ Cmd` + `C`
General Paste	`⌘ Cmd` + `V`
General Find	`⌘ Cmd` + `F`
General Find next	`⌘ Cmd` + `G`
General Find previous	`⌘ Cmd` + `↑ Shift` + `G`
General Toggle comment	`⌘ Cmd` + `/`
General Indent selection	`⌘ Cmd` + `[`
General Dedent Selection	`⌘ Cmd` + `]`
General Move to previous tab	`⌘ Cmd` + `↑ Shift` + `[`
General Move to next tab	`⌘ Cmd` + `↑ Shift` + `]`
General Toggle preview (Editor only)	`⌘ Cmd` + `4`
General Clear Scrollback (Terminal and Playgrounds only)	`⌘ Cmd` + `K`
General Reload (preview only)	`⌘ Cmd` + `R`
General Move to the beginning of current line	`⌘ Cmd` + `←`
General Move to the end of current line	`⌘ Cmd` + `→`
General Select the previous character	`↑ Shift` + `←`
General Select the next character	`↑ Shift` + `→`
General Select to the beginning of current line	`⌘ Cmd` + `↑ Shift` + `←`
General Select to the end of current line	`⌘ Cmd` + `↑ Shift` + `→`
General Move to the beginning of the current word	`⌥ Option` + `←`
General Move to the end of the current word	`⌥ Option` + `→`
General Select to the beginning of the current word	`⌥ Option` + `↑ Shift` + `←`
General Select to the end of the current word	`⌥ Option` + `↑ Shift` + `→`
General Delete to the beginning of the current line	`⌘ Cmd` + `Del`
General Delete Delete to the beginning of the current word	`⌘ Cmd` + `⌥ Option`
General Delete to the end of the current line	`⌘ Cmd` + `ForwardDel`
General Delete to the end of the current word	`⌘ Cmd` + `⌥ Option` + `ForwardDel`
General Move to the beginning of the current line	`Control` + `A`
General Select to the beginning of the current line	`Control` + `↑ Shift` + `A`
General Move to the end of the current line	`Control` + `E`
General Select to the end of the current line	`Control` + `↑ Shift` + `E`
General Delete to the end of the current line	`Control` + `K`