|  | #!/bin/sh | 
|  |  | 
|  | cp syntax.txt syntax.wiki | 
|  | sam -d syntax.wiki <<'!' | 
|  | ,s!`!`````!g | 
|  | ,s!== (([^()]|\([^()]*\))*)!≡ `\1`!g | 
|  | ,s!«!`!g | 
|  | ,s!»!`!g | 
|  | ,s! vim$! <font size="1">VIM</font>!g | 
|  | ,s! pcre$! <font size="1">PCRE</font>!g | 
|  | ,s! perl$! <font size="1">PERL</font>!g | 
|  | ,s!(^[^	]+)	(.*)\n!`\1`	\2\n!g | 
|  | ,x g/NOT SUPPORTED/ s!^[^	]+!<font color="#808080">&</font>! | 
|  | ,s!NOT SUPPORTED!<font size="1">(&)</font>!g | 
|  | ,s!(^[^	]+)	(.*)\n!<tr><td>\1</td><td>\2</td></tr>\n!g | 
|  | ,s!.*:$!<b>&</b>!g | 
|  | ,s!^$!<tr><td></td></tr>!g | 
|  | ,x v/<tr>/ s!.*!<tr><td colspan="2">&</td></tr>! | 
|  | 1,2c | 
|  | #summary I define UNIX as “30 definitions of regular expressions living under one roof.” —Don Knuth | 
|  |  | 
|  | <wiki:comment> | 
|  | GENERATED BY mksyntaxwiki.  DO NOT EDIT | 
|  | </wiki:comment> | 
|  |  | 
|  | <table border="0" cellpadding="2" cellspacing="2"> | 
|  | <tr><td colspan="2">This page lists the regular expression syntax accepted by RE2.</td></tr> | 
|  | <tr><td colspan="2">It also lists syntax accepted by PCRE, PERL, and VIM.</td></tr> | 
|  | <tr><td colspan="2">Grayed out expressions are not supported by RE2.</td></tr> | 
|  | . | 
|  | $a | 
|  | </table> | 
|  | . | 
|  | w | 
|  | q | 
|  | ! |