bash script. how to write if if there are matches in regexp?

Question

bash

I need to file a watcher file for me, which would work and run the desired script only when changing * .sfc files.
I can't write one line correctly. Help ai nid sombadi!
inotifywait -r -m -e modify /path/to/my_project |
while read path _ file;
do
if expr match $file ".sfc" <- WHAT AM I DOING WRONG HERE?
node path/to/meteor-sfc.js --file $path$file
done

Answer 1

if expr match $file ".sfc"<- WHAT AM I DOING WRONG HERE?

expr expects a regular expression that matches the entire input string:
if expr match "$file" ".*\.sfc"