const regex = /(狐狸)/gm;
// Alternative syntax using RegExp constructor
// const regex = new RegExp('(狐狸)', 'gm')
const str = `Sample text for testing:
跑叫碰
What Does the Fox Say? 12 狐狸怎叫 34
What Does the shiba inu say? 柴犬怎叫
怎麼叫起來像柴犬
怎麼叫起來像狐狸
狐獴（學名：Suricata suricatta）是细尾獴属的唯一物種，屬食肉目獴科，居住在南非、納米比亞及安哥拉西南部的喀拉哈里沙漠。
abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
0123456789 +-.,!@#\$%^&*();\\\\/|<>\\"\\'
12345 -98.7 3.141 .6180 9,000 +42
555.123.4567 +1-(800)-555-2468
foo@demo.net bar.ba@test.co.uk
www.demo.com http://foo.co.uk/
http://regexr.com/foo.html?q=bar`;
// 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