Answer: How to resolve the error on 'react-native start'

I just got a similar error for the first time today. It appears in \node_modules\metro-config\src\defaults\blacklist.js, there is an invalid regular expression that needed changed. I changed the first expression under sharedBlacklist from:

var sharedBlacklist = [ /node_modules[/\\]react[/\\]dist[/\\].*/, /website\/node_modules\/.*/, /heapCapture\/bundle\.js/, /.*\/__tests__\/.*/ ]; 

to:

var sharedBlacklist = [ /node_modules[\/\\]react[\/\\]dist[\/\\].*/, /website\/node_modules\/.*/, /heapCapture\/bundle\.js/,