需要用于多行搜索的regex(grep)[重复]

$ grep -Pzo "(?s)^(\s*)\N*main.*?{.*?^\1}" *.c

-P

-z

-o

(?s) PCRE_DOTALL .

\N

.*?

^

\1 \s*

*.c

AWK

awk '/select/,/from/' *.sql

select from customername

grep

File::Find

$/ = "\n\n";    # Paragraphs

while (<>)
{
     if ($_ =~ m/SELECT.*customerName.*FROM/mi)
     {
         printf file name
         go to next file
     }
}