Find string in string javascript
ExamplesSearch for "Blue": Show
let text = "Mr. Blue has a blue house"; Try it Yourself » Search for "blue": let text = "Mr. Blue has a blue house"; Try it Yourself » Search for /Blue/: let text = "Mr. Blue has a blue house"; Try it Yourself » Search for /blue/: let text = "Mr. Blue has a blue house"; Try it Yourself » Search case insensitive: let text = "Mr. Blue has a blue house"; Try it Yourself » Definition and UsageThe The The The Syntaxstring.search(searchValue) Parameters
Return Value
The Difference BetweenString search() and String indexOf()The The The Difference BetweenString search() and String match()The The Regular Expression Search MethodsIn JavaScript, a regular expression text search, can be done with different methods. With a pattern as a regular expression, these are the most common methods:
Browser Support
ES1 (JavaScript 1997) is fully supported in all browsers:
ExamplesSearch a string for "welcome": let text = "Hello world, welcome to the universe."; Try it Yourself » Search a string for "Welcome": let text = "Hello world, welcome to the universe."; Try it Yourself » Find the first occurrence of "e": let text = "Hello world, welcome to the universe."; Try it Yourself » Find the first occurrence of "e", starting at position 5: let text = "Hello world, welcome to the universe."; Try it Yourself » Find the first occurrence of "a": let text = "Hello world, welcome to the universe."; Try it Yourself » Definition and UsageThe The The Syntaxstring.indexOf(searchvalue, start) Parameters
Return Value
The Differense BetweenString indexOf() and String search()The The Browser Support
ES1 (JavaScript 1997) is fully supported in all browsers:
How do you check if a string contains another string in JavaScript?The includes() method returns true if a string contains a specified string. Otherwise it returns false . The includes() method is case sensitive.
How do you find a specific character in a string JavaScript?The indexOf() method returns the position of the first occurrence of a value in a string. The indexOf() method returns -1 if the value is not found. The indexOf() method is case sensitive.
Can I index a string in JavaScript?Introduction. A string is a sequence of one or more characters that may consist of letters, numbers, or symbols. Each character in a JavaScript string can be accessed by an index number, and all strings have methods and properties available to them.
How do I check if a string contains a substring?You can use contains(), indexOf() and lastIndexOf() method to check if one String contains another String in Java or not. If a String contains another String then it's known as a substring. The indexOf() method accepts a String and returns the starting position of the string if it exists, otherwise, it will return -1.
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