官网地址:https://docs.mongodb.com/manual/reference/operator/query/regex/#regex-case-insensitive 举个例子来说:现在有以下集合...还有一个情形是:匹配规则中使用了锚,所谓的锚就是^ 开头, $ 结束 比如:db.products...
2 标志 js中使用正则对象:new RegExp("模式"[,"标记"])) pattern(模式)表示正则表达式的文本 flags(标志)表示 i(忽略大小写) g(全文查找出现的所有匹配字符) m(多行查找) gi(全文查找、忽略大小写) ig(全文查找、忽略大小写) 2.1 i 忽略大小写(Case Insensitive) 修饰语i⽤于忽略⼤⼩写。 例如,表...
官网地址:https://docs.mongodb.com/manual/reference/operator/query/regex/#regex-case-insensitive 举个例子来说:现在有以下集合...还有一个情形是:匹配规则中使用了锚,所谓的锚就是^ 开头, $ 结束 比如:db.products.find( { description: { $regex: /^S/, $options: 'm'...} } ) 上面匹配规...
case-insensitive <!DOCTYPE html>Click the button to do a case-insensitive search for "w3schools" in a string.Try it<pid="demo">function myFunction() { var str = "Visit W3Schools"; var patt1 = /w3schools/i; var result = str.match(patt1); document.getElementById("demo").innerHTML ...
JS regex case insensitive matchTo enable case insensitive search, we use the i flag. case_insensitive.jslet words = ['dog', 'Dog', 'DOG', 'Doggy']; let pattern = /dog/i; words.forEach(word => { if (pattern.test(word)) { console.log(`the ${word} matches`); } }); ...
i Performs case-insensitive matching Example 2: Regular Expression Modifier const string = 'Hello hello hello'; // performing a replacement const result1 = string.replace(/hello/, 'world'); console.log(result1); // Hello world hello // performing global replacement const result2 = string.rep...
UnicodeSets mode with flag v (an upgrade to u) incompatibly changes escaping rules within character classes, fixes case-insensitive matching for \p and \P within negated [^…], and adds support for new features/syntax.Additionally, JavaScript regex syntax is hard to write and even harder to...
Case-insensitive version: path = path.replace(/(.*)\/.*(\.png$)/i, '$1/NEWTEXT$2') To ensure case-sensitivity, eliminate the 'i' following the forward slash (/). Solution 2: Another option: var filename = "/image/any/path/NEWTEXT.png"; ...
Improved the regular expression used to validate the Link header format by adding the case-insensitive flag i. This ensures that the regex properly matches header parameters regardless of their cas...
constRegexGenerator=require('fz-regex-generator');constreg=newRegexGenerator();reg.addDigit({count:3}).addChar({value:'-'}).addDigit({count:2,optional:true}).setFlags({caseInsensitive:true});constregex=reg.build();// Builds regex: /\\d{3}-\\d{2}?/i ...