const regex = /((((([1-9][0-9]((0[48])|([13579][26])|([2468][048])))|(([1-9]((0[48])|([13579][26])|([2468][048]))))|(([13579][26])|([2468][048]))|([48]))|(((([13579][26])|([2468][048]))|[48])00))\/2\/(([1-9])|(1[0-9])|([2][0-9])))|(([1-9][0-9]{0,3})\/((([13578]|1[02])\/([1-9]|[12][0-9]|3[01]))|((([469]|11)\/([1-9]|([12][0-9])|(30)))|(2\/(([1-9])|(1[0-9])|([2][0-8]))))))) ((([02468])|([1][02468])|(2[02])):00)/gm;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('((((([1-9][0-9]((0[48])|([13579][26])|([2468][048])))|(([1-9]((0[48])|([13579][26])|([2468][048]))))|(([13579][26])|([2468][048]))|([48]))|(((([13579][26])|([2468][048]))|[48])00))\\\/2\\\/(([1-9])|(1[0-9])|([2][0-9])))|(([1-9][0-9]{0,3})\\\/((([13578]|1[02])\\\/([1-9]|[12][0-9]|3[01]))|((([469]|11)\\\/([1-9]|([12][0-9])|(30)))|(2\\\/(([1-9])|(1[0-9])|([2][0-8]))))))) ((([02468])|([1][02468])|(2[02])):00)', 'gm')
const str = `判断时间的合法性
PTA作业链接
https://pintia.cn/problem-sets/1244999401232809984/problems/1245332988779970560
题目要求链接
https://images.ptausercontent.com/218e185f-05fe-4a17-be9b-640b21b74373.pdf
2015/8/5 2:00
`;
// Reset `lastIndex` if this regex is defined globally
// regex.lastIndex = 0;
let m;
while ((m = regex.exec(str)) !== null) {
// This is necessary to avoid infinite loops with zero-width matches
if (m.index === regex.lastIndex) {
regex.lastIndex++;
}
// The result can be accessed through the `m`-variable.
m.forEach((match, groupIndex) => {
console.log(`Found match, group ${groupIndex}: ${match}`);
});
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for JavaScript, please visit: https://developer.mozilla.org/en/docs/Web/JavaScript/Guide/Regular_Expressions