💾str.words()

JS ⟩ primitives ⟩ String ⟩ methods ⟩ .words()

generate words in a sentence. (returns a )

💾 程式

💾 replit：str.words()

// 🔸 str.words()
// generator of all "alphabetic words"
String.prototype.words = function*() {
    
    // ⭐️ Unicode "alphabetic characters" between word boundaries 
    // ❗ Chinese and Japanese characters are NOT "alphabetic characters"
    // ❗`\p` is not supported in Firefox yet❗
    const word = /\b\p{Alphabetic}+\b/gu;     

    // ⭐️ (iterable) iterator of all matches (words)
    const matches = this.matchAll(word);

    // yield matched words
    for (let match of matches) { yield match[0] }
};

💈範例：

// main
const text = `
    This is a naïve test of the matchAll() method.
    這裡中文字
    ✏️ うわ、喧嘩してる！何かあったんですか？
`;

// ⭐️ for-of loop
for (const word of text.words()) console.log(word);
// This
// is
// a
// naïve
// test
// of
// the
// matchAll
// method

// ⭐️ spread into array elements
[...text.words()]
// [
//   'This',   'is',
//   'a',      'naïve',
//   'test',   'of',
//   'the',    'matchAll',
//   'method'
// ]

📘 手冊

• String.prototype.split() - returns an array of strings (not efficient for very long strings)

👥 相關

• generator examples ⟩ words in sentence

• str.splice()

• str.slice2() - returns substring (support Unicode)