How to check the contents of a file in Gulp?

Question

JavaScript

Hello. Tell me how to make a similar construction in gulp
something like:

gulp.src(path.src)
.pipe(filter('hello world'))
.pipe(gulp.dest(path.build));

So that only files containing the substring "hello world" are processed?

Answer 1

https://www.npmjs.com/package/gulp-content-filter
Filters by RegExp