js 字符串匹配

 

<!DOCTYPE html><html><head><meta charset="utf-8"><title>W3Cschool教程(w3cschool.cn)</title></head><body><script>var str = "Visit W3Cschool";var patt1 = /w3cschool/i;document.write(str.match(patt1));</script></body></html>

 

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