String.replace(/<TERM>/g, '') In the next example, all the occurrences of the word “animals” are substituted in the string phrase:Javascript substring example1 2 3 const phrase = 'I love animals! Animals are cute' const stripped = phrase.replace(/animals/g, '') console.log(stripped...
String.prototype.replaceAll = function (find, replace) { var str = this; return str.replace(new RegExp(find, 'g'), replace); }; Run Code Online (Sandbox Code Playgroud) 编辑 如果您find将包含特殊字符,那么您需要转义它们: String.prototype.replaceAll = function (find, replace) { var str...
To replace all occurrences of a string in a text with the new one, use the replace() or replaceAll() method. Both these JavaScript methods do not change the original string. Instead, return a new string with the substrings replaced by a new substring. Alternatively, you could also use ...
return str.replace(/[.*+?^${}()|[]]/g, "$&"); // $& means the whole matched string } 我们可以在我们的String.prototype.replaceAll实现中调用escapeRegExp,但是,我不确定这会对性能产生多大影响(甚至对于不需要转义的字符串,如所有字母数字字符串)。 str = str.replace(/abc/g, ''); 回应评...
replace()方法返回一个替换了指定模式的新字符串。 示例1:替换第一个匹配项 consttext ="Java is awesome. Java is fun."// passing a string as the first parameterletpattern ="Java";letnew_text = text.replace(pattern,"JavaScript");console.log(new_text);// passing a regex as the first parame...
Let's assume we have the following string in which we wish to replace all occurrences of the word "foo" with "moo": const str = 'foobar, foo bar, Foo bar, Foobar'; Using String.prototype.rep
正如此处的评论所指出的,如果您的 omit 变量包含 place,这将不起作用,例如:replaceAll("string", "s", "ss"),因为它总是能够替换另一个出现的单词。 在我的递归替换中还有另一个带有变体的 jsperf,它运行得更快(http://jsperf.com/replace-all-vs-split-join/12)! 2017 年 7 月 27 日更新:看起...
// Use the replace method combined with a regular expression with global flags to replace all occurrences of a string.conststr="I love JavaScript, JavaScript is amazing!";console.log(str.replace(/JavaScript/g,"Node.js"));// "I love Node.js, Node.js is amazing!" ...
replace()函数是 JavaScript 的一个内置函数。它用另一个字符串或正则表达式替换给定字符串的一部分。它从一个给定的字符串中返回一个新的字符串,并保持原来的字符串不变。 Ourstring.replace(Specificvalue,Newvalue) Specificvalue将被新的值-Newvalue替换。
For example if want to replace all occurrences of yellow in the example string above I can use the following regular expression: varcarDescription ="My car is black with a yellow shine that I wish was yellow.";varupdatedCardDescription = carDescription.replace(/yellow/g,"blue");console.log...