[Fix] remove the need for `sed -E`
[Fix] remove the need for `sed -E`

Fixes #1126
PeterDaveHelloKitchen/nvm,ljharb/nvm,evocateur/nvm,ljharb/nvm,PeterDaveHello/nvm,evocateur/nvm,lukechilds/nvm,creationix/nvm,creationix/nvm,PeterDaveHello/nvm,edwmurph/nvm,lukechilds/nvm,PeterDaveHelloKitchen/nvm,edwmurph/nvm