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Description. The search() method matches a string against a regular expression **. The search() method returns the index (position) of the first match. The search() method returns -1 if no match is found. The search() method is case sensitive.
The search() method searches a string for a string (or a regular expression) and returns the position of the match: Examples let text = "Please locate where 'locate' occurs!";
14 lis 2024 · The search() method of String values executes a search for a match between a regular expression and this string, returning the index of the first match in the string.
ES6 contains inbuilt method (includes) in String's prototype, which can be used to check if string contains another string or not. var str = 'To be, or not to be, that is the question.'; console.log(str.includes('To be')); Following polyfill can be used to add this method in non-supported browsers.
17 cze 2024 · The search() method in JavaScript is used to search for a specified substring within a string. It returns the index of the first occurrence of the substring within the string. If the substring is not found, it returns -1.
JavaScript Strings. The search () Method. search () searches a string for a value and returns the position of the match:
You'll learn how to use the JavaScript String search() function to search for a match with an regular expression with a string.
