实现高亮关键字鸿蒙示例代码

while ((array = regex1.exec(str)) !== null) {
  indexList.push(array.index, regex1.lastIndex - 1)
}
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for (let index = 0; index < str.length; index++) {
  if (!indexList.includes(index)) {
    cache = cache + str[index]
    if (index > indexList[indexList.length-1] && index === str.length - 1) {
      result.push({ char: cache, isAim: false })
    }
  } else {
    result.push({ char: cache, isAim: false })
    result.push({ char: msg, isAim: true })
    index = index + msg.length - 1
    cache = ''
  }
}
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