Examples

Example 1-23. Simple search in vi
Find spider-man, Spider-Man, Spider Man
/[Ss]pider[- ][Mm]an
Example 1-24. Simple search in Vim
Find spider-man, Spider-Man, Spider Man, spiderman, SPIDER-MAN, etc.
:set ic
/spider[- ]=man
Example 1-25. Simple substitution in vi
Globally convert <br> to <br /> for XHTML compliance.
:set ic
: % s/<br>/<br />/
Example 1-26. Simple substitution in Vim
Globally convert <br> to <br /> for XHTML compliance.
: % s/<br>/<br />/i
Example 1-27. Harder substitution in Vim
Urlify: Turn URLs into HTML links
: % s/(https=://[a-z_.\w/\#~:?+=&;%@!-]*)/< a href="1">1</a>/ic
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