#!/usr # AWK hl test # BEGIN and END are also matched as patterns BEGIN { p = 0; } /some pattern/ { p++; } # / inside brackets is not considered end of expression # a loose division operator (/) is not mismatched as a pattern. $1 =~ /[^abc/]def/ || b == 3 / 5 { gsub ( FILENAME ); } # TODO and FIXME also work in comments in Awk. # Also backslash in patterns works. /\/usr\/bin\/awk/ { print "This is me"; } END { print p; } function myfunc() { print 42 } /abc/,/a[b]c/{ # parameter with a regex if (match($0, /a/)) {} "x\ax\nx\ex\zx\023x\2x\xffx\xFf\xax\12x" a =~ /[[:alpha:]]/ a =~ /[xx[:alpha:]xx]/ a =~ /[a-z[:alpha:]xx-]/ a =~ /[]a]/ a =~ /[-a]/ a =~ /[^]a]/ a =~ /[^-a]/ a =~ /[a]a\/\n/ # incomplete regex a =~ /[xx[:alph a = 23.2 }