例如,如果是用 /(\a+)(\b+)/ 这个来匹配,p1 就是匹配的 \a+,p2 就是匹配的 \b+。 offset 匹配到的子字符串在原字符串中的偏移量。(比如,如果原字符串是 'abcd',匹配到的子字符串是'bc',那么这个参数将会是 1) string 被匹配的原字符串。 NamedCaptureGroup 命名捕获组匹配的对象...
String.prototype.replace(str, replaceStr) String.prototype.replace(reg, replaceStr) String.prototype.replace(reg, function) let str = 'af12131ds22' console.log(str.replace('1', 7)) // af72131ds22 console.log(str.replace(/1/g, 7)) // af72737ds22 str.replace(/1/g, function (......
String.prototype.replace(str, replaceStr) String.prototype.replace(reg, replaceStr) String.prototype.replace(reg, function) 使用示例1: const str = 'Hello Kaixinguo' // 正则表达式 str.replace(/ello/, 'ey') // hey Kaixinguo str.replace(/elll/, 'ey') // Hello Kaixinguo // 字符串:字符...
字符串方法replace()以两种方式支持命名分组:方式一 代码语言:javascript 代码运行次数:0 运行 AI代码解释 constRE_DATE=/(?<year>\d{4})-(?<month>\d{2})-(?<day>\d{2})/;console.log('1999-12-31'.replace(RE_DATE,'$<month>/$<day>/$<year>'));// 12/31/1999 如果replace不一定是直接...
str.replace(/<[^>]+>/g,"");//去掉所有的html标记 去掉网页中的所有的html标签 string temp = Regex.Replace(html, "<[^>]*>", "");//html是一个要去除html标记的文档 2.得到网页上的链接地址 string matchString = @"]+href=\s*(?:'(?<href>^']+)'|""(?<href>[^""]+)""|(?<hr...
let string = 'hello' console.log(string.replace(/$/, '😄')) // hello😄 I believe everyone must be familiar with these two symbols indicating the first and last positions. \b There are three rules for the boundaries of words. ...
length) + truncation : String(target); } camelize方法:转换为驼峰风格。 function camelize(target) { if (target.indexOf('-') < 0 && target.indexOf('') < 0) { return target;//提前判断,提高getStyle等的效率 } return target.replace(/[-][^-]/g, function(match) { return match.charAt(...
Fix issues withreplaceWith 8个月前 three 14.14.4rc 4个月前 tokenize fix: subpackages resolve on Node10 4个月前 two 14.14.4rc 4个月前 types fix: subpackages resolve on Node10 4个月前 .gitignore gc 10个月前 .npmignore coverage tests ...
You need to compile your regex with the /g flag to let lastIndex be used this way; and even then, it only specifies the starting position for the regexp.exec/test methods. It cannot be used to set the start position for the string.match/replace/search/split methods. It indicates the ...
问用于长句子的Javascript RegExpENBOM 定义：Browser Object Model，定义了操作浏览器的接口 BOM对象: ...