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Searching with Regular Expressions
• If you can search for both michael and michel with this expression: mich*el.
• You can also use a character class to specify a single character in that class. The pattern that matches both christie or christy should be christ[iy]e*.
• You can use ^ and # to match an expression at the beginning and end of line, respectively.
Searching with Regular Expressions
• To search forward with regular expressions in an incremental manner, use [Ctrl-Alt-s] key sequence, type the regular expressions and then [Enter].
• To repeat a regular expression search, use [Ctrl-Alt-s][Enter][Enter].
Search and Replace
• To globally replace the word Internet with World Wide Web without interaction, first press [Alt-x] and then enter the replace-string command.
• This command completion feature can be done by using [Alt-x]repl[Tab]s[Tab]. First enter the string to be replaced and then enter the target string.
Search and Replace
• You can replace strings in an interactive manner with the query-replace facility.
• The query-replace command is done by [Alt-%]. Then enter the string to be replaced and the target string.
Using Multiple Files, Windows and Buffers
• To view the same file in two separate windows, use [Ctrl-x]2.
• To move to the other window, the command is [Ctrl-x]o.
• You can increase the window’s vertical size by [Ctrl-x]^.
• You can open different file by
[Ctrl-x][Ctrl-f].
Using Multiple Files, Windows and Buffers
• To replace current buffer, use
[Ctrl-x][Ctrl-v].
• To close other windows, use [Ctrl-x]1.
• To close the current window, use [Ctrl-x]0.
• To call up another buffer, use [Ctrl-x]b.
• You can insert a file into the current file by using [Ctrl-x]i filename.
Escape to Shell
• To escape to shell, use [Ctrl-x][Ctrl-z] or [Alt-x]shell.
• Enter fg to return to emacs.
• To execute a UNIX command, use [Alt-!].
• The help facility is invoked with [Ctrl-h].
• To access help by key, use [Ctrl-h]k and enter the key sequence.
• To close the help window, use [Ctrl-x]1.
Using the Help Facility [Ctrl-h]• To know what a command does, use [Ctrl-h]f (function) and enter the command.• To know the key binding, use [Ctrl-h]w
(where-is) and enter the command.• To run the tutorial, use [Ctrl-h]t (tutorial).• To quit the tutorial, use [Ctrl-x]b to quit to
the previous buffer.• To read the emacs documentation, use [Ctrl-h]i (information).
