<!DOCTYPE html> <html> <body> <h1>JavaScript 正则表达式</h1> <p>如果设置了 "i" 修饰符,则 ignoreCase 属性返回 true,否则返回 false:</p> <p id="demo"></p> <script> let text = "Visit (www.sou-xun.com)!"; let pattern = /sou/i; let result = pattern.ignoreCase; document.getElementById("demo").innerHTML = result; </script> </body> </html>