JSFiddle - React, Tailwind, and code Playground
JavaScript
$.extend({
jTrim: function(str){
var re = /^[\s\xA0\uFEFF\u1680\u180E\u2000-\u200A\u202F\u205F\u3000]+|[\s\xA0\uFEFF\u1680\u180E\u2000-\u200A\u202F\u205F\u3000]+$/g
return str.replace(re,"");
}
});
console.log(">"+$.jTrim(' よろしくお願い申し上げます。')+"<");