需要注意的是这个方法存在兼容性，具体内容可以查看String.prototype.matchAll。代码示例：const reg = /(\w*)=(\w*)/g;const str = 'a=1,b=2,c=3';console.log([...str.matchAll(reg)]);String.prototype.matchAll()注意事项：const reg = /(\w*)=(\w*)/;const str = 'a=1,b=2,c=3'...
let str = "yqcoder";// 匹配正则 /coder/ 的字符串str.match(/coder/); // ['coder', index: 2, input: 'yqcoder_yqcoder', groups: undefined]// 匹配正则 /coder/g 的字符串str.match(/coder/g); // ['coder']// 不匹配正则str.match(/\d/g); // null 23. matchall 根据传入正则匹...
input:声明对stringObject的引用 let str = 'af12131ds22' console.log(str.match('v')) // null console.log(str.match('s')) // [ 's', index: 8, input: 'af12131ds22', groups: undefined ] 1. 2. 3. 全局调用: 如果reg具有修饰符g,则match方法将执行全局检索,找到字符串中的所有匹配子...
2. String.trimStart()和String.trimEnd() 去除字符串首尾空白字符 3. String.prototype.matchAll matchAll()为所有匹配的匹配对象返回一个迭代器 constraw_arr='test1 test2 test3'.matchAll((/t(e)(st(\d?))/g));constarr=[...raw_arr]; 4. Symbol.prototype.description 只读属性,回 Symbol 对象的...
match方法返回:[' name',' is',' zxx'] matchAll 返回:RegExpStringIterator,转为数组后值为: [Array(2),Array(2),Array(2)]0: (2) [' name','name', index:8, input: "author's name is zxx",groups: undefined]1: (2) [' is','is', index:13, input: "author's name is zxx",gr...
2. String.trimStart()和String.trimEnd() 去除字符串首尾空白字符 3. String.prototype.matchAll matchAll()为所有匹配的匹配对象返回一个迭代器 代码语言:javascript 复制 constraw_arr='test1 test2 test3'.matchAll((/t(e)(st(\d?))/g));constarr=[...raw_arr]; ...
String.prototype.matchAll() Promise.allSettled() Dynamic import(按需 import) 一、空值合并运算符(Nullish coalescing Operator) 1.1 空值合并操作符(??) 空值合并操作符(??)是一个逻辑操作符,当左边的操作数为 null 或 undefined 的时候,返回其右侧操作符,否则返回左侧操作符。
The first 128 Unicode code points are a direct match of theASCIIcharacter encoding. charAt The String object'scharAt()method returns a new string consisting of the single UTF-16 code unit located at the specified offset into the string. ...
js/blob/v2.6.0/modules/es6.object.is.js), [`es6.object.set-prototype-of`](https://github.com/zloirock/core-js/blob/v2.6.0/modules/es6.object.set-prototype-of.js) and [`es6.object.to-string`](https://github.com/zloirock/core-js/blob/v2.6.0/modules/es6.object.to-string.js)....
js regex match all white spaces All In One conststr =`abc xyz ufo`;// regex to remove spacesstr.replace(/\s/g,'');// // regex only letters not spacesconstreg =/^[A-Za-z]+$/; demo /** *@param{string}s*@return{string} ...