console.log( `${new_container[0]}string found lastly at ${new_container.index}index number` ); } 输出: Firstindex found at:19index number GeeksforGeeksstringfound lastly at53index number 注:本文由VeryToolz翻译自How to match multiple parts of a string using RegExp in JavaScript ?,非经特...
letstring="GeeksForGeeks";/* It first search 'For' in original string then it will replace the searched string('For') with new string ('and') */letreplaced_string=string.replace("For","and");console.log("The original string is "+string);console.log("The replaced...
// Taking a regular expression varre=/GeeksForGeeks/; // Taking a string as input varstring='GeeksForGeeks is a CS portal'; // Calling replace() method to replace // GeeksForGeeks from string with gfg varnewstring=string.replace(re,'gfg'); // Printing new string with replaced items ...
示例1:将字符串的所有字符转换为小写 toLowerCase()方法用于将字符串“GEEKSFORGEEKS”中的所有字符转换为小写。然后,生成的字符串 ‘geeksforgeeks’ 将记录到控制台。 functionfunc(){letstr ='GEEKSFORGEEKS';letstring = str.toLowerCase();console.log(string); } func(); 输出 geeksforgeeks 示例2:将...
// Taking a regular expressionvarre =/GeeksForGeeks/;// Taking a string as inputvarstring ='GeeksForGeeks is a CS portal';// Callingreplace() function toreplace// GeeksForGeeks from string with gfgvarnewstring = string.replace(re,'gfg');// Printing new string with replaced itemsdocument...
语法:String(value); 例: 先使用 typeof value查看值的类型。 在使用String)函数进行转换,在查看值的类型let value = true; alert(typeof value); // 显示值为:boolean类型 value = String(value); // 现在,值“true”是一个字符串类型 alert(typeof value); // 显示值为:string类型 ...
从https://www.geeksforgeeks.org/how-to-convert-a-string-into-kebab-case-using-javascript/这将...
public PromiseOrException<String, Exception> writeAsync() { // 1.创建Promise对象 PromiseOrException<String, Exception> resultPromise = new PromiseOrException<>(); try { executor.execute(() -> { String result = db.writeSync("data"); // 2a.执行请求。只支持同步阻塞 ...
(0,128,28);">GeeksForGeeksChoose the color
从https://www.geeksforgeeks.org/how-to-convert-a-string-into-kebab-case-using-javascript/这将...