1 1 7.1.1 Regular Expressions as Patterns 1 ------------------------------------- 1 1 Regular expressions are one of the first kinds of patterns presented in 1 this book. This kind of pattern is simply a regexp constant in the 1 pattern part of a rule. Its meaning is '$0 ~ /PATTERN/'. The pattern 1 matches when the input record matches the regexp. For example: 1 1 /foo|bar|baz/ { buzzwords++ } 1 END { print buzzwords, "buzzwords seen" } 1