1functionisContains(str, substr) {2returnstr.indexOf(substr) >= 0;3} str为源字符串; substr为查找的字符; 返回true代表包含,false代表不包含。
代码语言:javascript 代码运行次数:0 运行 AI代码解释 // 这是一个假设的C++23示例,实际上并不可用#include<iostream>#include<string>intmain(){std::string str="C++23 introduces contains function.";if(str.contains("introduces")){std::cout<<"The string contains 'introduces'."<<std::endl;}else{s...
String.prototype.Reverse = function(){ return this.split("").reverse().join(""); } //是否包含指定字符 String.prototype.IsContains = function(str){ return (this.indexOf(str) > -1) ; } //判断是否为空 String.prototype.IsEmpty=function(){ return this==""; } //判断是否是数字 String....
//A string is split into a List of separate word strings List<string> searchwords = new List<string>(searchString.Split(' ')); DataContext db = new DataContext(); var query = from org in db.Organization where org.OrgName.Contains(searchwords) //OrgName is a string select new //......
In this example, the function returns true if the string contains any white space in it else it returns false Conclusion: So to detect any white space in a given string in Javascript we can use the regex test() method or the stringindexOf() method. Related Topics: How to check if Str...
*/String.prototype.contains=function(target) {// 只要这个indexOf的下标不是-1的话,就说明包含这个目标字符串,否则的话就是不包含// indexOf() 方法可返回某个指定的字符串值在字符串中首次出现的位置,如果没找到的话,就返回-1returnthis.indexOf(target) !== -1; ...
代码语言:javascript 代码运行次数:0 运行 AI代码解释 publicboolContainsLetterI(){vartestString="I am a test string.";returntestString.Contains("I");}Public FunctionContainsLetterI()As Boolean Dim testString As String="I am a test string."Return testString.Contains("I")End Function ...
To check if a Javascript String Contains a substring or not, we can use 7 different Javascript methods as listed in below table.
functionemployee(id:number,name:string){this.id=idthis.name=name}varemp=newemployee(123,"admin")employee.prototype.email="admin@runoob.com"// 添加属性 emailconsole.log("员工号: "+emp.id)console.log("员工姓名: "+emp.name)console.log("员工邮箱: "+emp.email) ...
constructorReturns the string's constructor function endsWith()Returns if a string ends with a specified value fromCharCode()Returns Unicode values as characters includes()Returns if a string contains a specified value indexOf()Returns the index (position) of the first occurrence of a value in a...