1
2
3
4
5
6
7
8
9
10
export default function isValid(code: string): boolean {    if (!/^<([A-Z]{1,9})>[\s\S]*<\/\1>$/.test(code)) return false;    code = code.replace(/<!\[CDATA\[[\s\S]*?]]>/g, " ");    const tagReg = /<([A-Z]{1,9})>[^<]*<\/\1>/g;    while (code && tagReg.test(code)) {        code = code.replace(tagReg, "");    }    return !code;}