Home
JS
JS
Tryit: JAVASCRIPT
运行 ❯
×
Change Orientation
Change Theme, Dark/Light
<!DOCTYPE html> <html> <body> <p>单击该按钮可对“is”后跟“all”不进行区分大小写的全局搜索。</p> <button onclick="myFunction()">试一试</button> <p id="demo"></p> <script> function myFunction() { var str = "Is this all there is"; var patt1 = /is(?! all)/gi; var result = str.match(patt1); document.getElementById("demo").innerHTML = result; } </script> </body> </html>