執行 ❯
建立您
自己的
網站
×
更改方向
儲存程式碼
更改主題,暗/亮
前往 Spaces
<!DOCTYPE html> <html> <body> <h2>JavaScript Regular Expressions</h2> <p>The test() method returns true if it finds a match, otherwise false.</p> <p>Search a string for the character "e":</p> <p id="demo"></p> <script> let text = "The best things in life are free"; let pattern = /e/; let result = pattern.test(text); document.getElementById("demo").innerHTML = result; </script> </body> </html>