To check if a Javascript String Contains a substring or not, we can use 7 different Javascript methods as listed in below table.
How do you check if one string contains a substring in JavaScript?Craig Buckler
Check if a string includes "world": lettext ="Hello world, welcome to the universe."; letresult = text.includes("world"); Try it Yourself » More examples below. Description Theincludes()method returnstrueif a string contains a specified string. ...
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JavaScript String includes() Theincludes()method returns true if a string contains a specified value. Otherwise it returnsfalse. Examples Check if a string includes "world": lettext ="Hello world, welcome to the universe."; text.includes("world"); ...
* @method isContainsString(string,subString,Case)*//** * isNum(string,scope) * @param string:string resource * @param scope:all,part*/varStringCheckUtil =function() {}; StringCheckUtil.prototype.isNum=function(string, scope) {//检验参数合法性if((arguments.length != 2) || (typeof(str...
If activated 'template', 'content' and 'title' options will be sanitized. whiteList object Default value Object which contains allowed attributes and tags sanitizeFn null | function null Here you can supply your own sanitize function. This can be useful if you prefer to use a dedicated library...
constmessage ="JavaScript is a fun programming language.";// regular expression that checks if message contains 'programming'constexp =/programming/; // check if exp is present in messageletresult = message.match(exp); console.log(result);/* ...
whiteList object Default value Object which contains allowed attributes and tags sanitizeFn null | function null Here you can supply your own sanitize function. This can be useful if you prefer to use a dedicated library to perform sanitization. Data attributes for individual tooltips Options for in...
String rsThree = validateKey(pwd); String repeat = checkRepeat(pwd); //包含生日 String checkBirthday = checkBirthday(pwd); //三个或者三个以上相同 String check3 = check3(pwd); //包含手机号 String checkMobile = checkMobile(pwd); //包含固定电话 String checkPhone = checkPhone(pwd); if ...