I am trying to do a substitution on a string that can span multiple lines in the input file. I want to replace this:

Keyword string {
[download]

with this:

Keyword 1_string {
[download]

The problem is that the target can be across multiple lines. Example:

Keyword string {

Keyword 
string {

Keyword string 
{

Keyword 
string 
{

#string could also be in double quotes

Keyword "string" 
{
[download]

Before the input file changed, I had something like this:

foreach (<>) {
    s/Keyword\s+\"*([\S"]+)\s+/Keyword 1_$1 /;
    print;
}
[download]

I already have a two pass solution. It stores the file in an array and converts the target to a single line. Then it runs the search and replace on the second pass while printing out the line. Very messy. Is there a cleaner way to solve this problem

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