Home
JS
JS
Tryit: JAVASCRIPT
运行 ❯
×
Change Orientation
Change Theme, Dark/Light
<!DOCTYPE html> <html> <body> <p>单击其中一个按钮可在字符串中搜索字符“THIS”。</p> <button onclick="myFunction()">全局区分大小写搜索</button> <button onclick="myFunction2()">全局不区分大小写的搜索</button> <p id="demo"></p> <script> function myFunction() { var str = "THIS This this"; var patt1 = /[THIS]/g; var result = str.match(patt1); document.getElementById("demo").innerHTML = result; } </script> <script> function myFunction2() { var str = "THIS This this"; var patt1 = /[THIS]/gi; var result = str.match(patt1); document.getElementById("demo").innerHTML = result; } </script> </body> </html>