This JavaScript tutorial explains how to use the string method called search() with syntax and examples. Description In JavaScript, search() is a string method that is used to search for a specific string or re
JavaScript String match() Thematch()method returns an array containing the results of matching a string against a string (or a regular expression). Examples Perform a search for "ain": lettext ="The rain in SPAIN stays mainly in the plain"; ...
string.search search()方法执行正则表达式和String对象之间的一个搜索匹配。 语法 代码语言:javascript 复制 str.search(regexp) 参数 regexp一个正则表达式(regular expression)对象。如果传入一个非正则表达式对象,则会使用 new RegExp(obj) 隐式地将其转换为正则表达式对象。
consttext="JavaScript is a versatile language. Learning JavaScript makes you a powerful developer.";functionstringSearch(text,term){if(text.includes(term)){console.log(`"${term}" found in string.`);}else{console.log(`"${term}" not found in string.`);}constindex=text.indexOf(term);conso...
search() is method 是一個 String 方法,用於檢查給定字符串中是否存在子字符串。它從子字符串所在的字符串返回子字符串的起始索引。如果字符串中不存在子字符串 – 則返回 -1。 用法: String.search(substring); 這裏,substring是要搜索的字符串的一部分。
String search() and String match() Thesearch()method returns the position of the first match. Thematch()method returns an array of matches. Regular Expression Search Methods In JavaScript, a regular expression text search, can be done with different methods. ...
search()方法不能接受第二个起始位置参数。 indexOf()方法不能采用强大的搜索值(正则表达式)。 20.4 String.match() match() 方法根据正则表达式在字符串中搜索匹配项,并将匹配项作为 Array 对象返回。 【在字符串中搜索 “ain”:】 let text = "The rain in SPAIN stays mainly in the plain"; ...
Javascript examples for String:search HOME Javascript String search Description The search() method searches a string for a specified value or a regular expression, and returns the position of the match. This method returns -1 if no match is found. ...
let string1 = "I love to code in JavaScript."; // searching word "JavaScript" in the given string let index = string1.search("code"); console.log(index); Run Code Output 10 In the above example, we have passed a non-regular expression 'code' in the search() method. The meth...
log(myString.replace(new RegExp( "999", "gi" ), "The")); //output: The JavaScript Coders 9. search(regexp) search() 方法用于检索字符串中指定的子字符串,或检索与正则表达式相匹配的子字符串,如果找到,返回与 regexp 相匹配的子串的起始位置,否则返回 -1。 代码语言:javascript 代码运行次数:0...