is-language-code 3.0.14

presets:

Put a string

res

message

TIP: check out RFC 5646 opens in a new tab
TIP #2: check out a regex ietf-language-tag-regex opens in a new tab by ~sebinsua opens in a new tab on npm

PS. See the source of this page on GitHub opens in a new tab. Vue.js is driving the UI; both Vue and this program are coming as <script>s from jsDelivr.