js regexp group & RegExp.$1~ RegExp.$9All In One 信息加密,电话号码隐藏 constphoneNumber =`18123456789`; phoneNumber.replace(/^(\d{3})(\d{4})(\d{4})$/,'$1***$2');// '181***2345' ❌phoneNumber.replace(/^(\d{3})(\d{4})(\d{4})$/,'$1***$3');// '181***...
replace:正则去匹配字符串,匹配成功的字符去替换成新的字符串 写法:str.replace(reg,replace)// replace:第二个参数,可以是字符串,也可以是一个回调函数 eg: str.replace(reg, 'aa') eg: var str = '2017-01-12' var reg = /(/d)(-)/g str.replace(reg, function($0, $1, $2) { // 第一...
let regex = /(\d)(\d)/; // 匹配两个连续的数字,并捕获第一个数字 let result = str.replace(regex, '$1#'); console.log(result); // 输出 "a1b#c3" 在这个例子中,(\d)是一个捕获组,它匹配一个数字。$1在replace方法的替换字符串中代表第一个捕获组匹配到的内容,即第一个数字。 遇到的...
console.log(str.replace(/elll/, 'ey')) // hello world // 字符串:字符串参数会转换为正则表达式 console.log(str.replace('ello', 'ey')) // hey world console.log(str.replace('elll', 'ey')) // hello world 1. 2. 3. 4. 5. 6. 7. 正则表达式修饰符 修饰符可以在全局搜索中不区分...
value = value.replace(obj.rel_name,''); }; } }// 剩余字符串,长度 (中文两个字节,英文一个字节)constbytes =Util.getByteLen(value);returnlen +Math.ceil(bytes /2); }, solution getTitleLength (value) {if(!value) {return0; }// fix regex macth return null bug ✅// 修复正则表达式...
var regex = new RegExp('\\w+'); 1. 2. 3. 4. 5. 大家也许注意到,使用字面量要比构造器简洁得多,\w表示一个word,匹配单个字母、数字或下划线,而使用RegExp构造器时,我们的正则变为了"\\w",这是因为要在字符串中表示一个反斜杠\,我们需要对其转义,也就是在前面再加一个转义字符\。相信大家都知道...
> rexreplace '\[' '.0.[' myfile.mdThe [ as a literate char must be escaped according to regex. If you run the command as a parameter (this could be from a script in package.json) you need to escape the escape:"scripts":{ "fix": "rexreplace '\\[' '.0.[' myfile.md" }...
varshell=require('shelljs');if(!shell.which('git')){shell.echo('Sorry, this script requires git');shell.exit(1);}// Copy files to release dirshell.rm('-rf','out/Release');shell.cp('-R','stuff/','out/Release');// Replace macros in each .js fileshell.cd('lib');shell.ls(...
value = 'Four'; // This line will duplicate the row 'One' twice but it will replace rows 'Two' and 'Three' // if third param was true so it would insert 2 new rows with the values and styles of row 'One' ws.duplicateRow(1,2,false); ParameterDescriptionDefault Value start Row ...
}functionformat_with_regex(number) {varreg =/(\d)(?=(?:\d{3})+$)/greturn(number +'').replace(reg,'$1,'); } 方法四:数组分割 functionformat_with_array(number) {// 转为字符串,并按照.拆分constarr = (number +'').split('.');// 整数部分再拆分constint = arr[0].split('')...