search and replace in < vi >

Vi: Search and Replace

Change to normal mode with <ESC>.

• Search (Wrapped around at end of file):
•  Search STRING forward :   / STRING.
•  Search STRING backward:   ? STRING.
•  Repeat search:   n
•  Repeat search in opposite direction:  N  (SHIFT-n)

• Replace: Same as with sed, Replace OLD with NEW:
• First occurrence on current line:      :s/OLD/NEW
• Globally (all) on current line:        :s/OLD/NEW/g
• Between two lines #,#:                 :#,#s/OLD/NEW/g
• Every occurrence in file:              :%s/OLD/NEW/g