/w3schools/i is a regular expression.w3schools is a pattern (to be used in a search).i is a modifier (modifies the search to be case-insensitive).Using String MethodsIn JavaScript, regular expressions are often used with the two string methods: search() and replace()....
Do a global search for "Hello" and "W3Schools" in a string: let text = "Hello world!"; // Look for "Hello" let result1 = /Hello/.exec(text); // Look for "W3Schools" let result2 = /W3Schools/.exec(text); Try it Yourself » Regular...
Search for a carriage return character in a string: lettext ="Visit W3Schools.\rLearn Javascript."; letpattern =/\r/; Try it Yourself » Description The \r metacharacter matches carriage return characters. Browser Support /\r/is an ECMAScript1 (JavaScript 1997) feature. ...
Do a global search, and test for "Hello" and "W3Schools" in a string: // The string: lettext ="Hello world!"; // Look for "Hello" letpattern1 =/Hello/g; letresult1 = pattern1.test(text); // Look for "W3Schools" letpattern2 =/W3Schools/g; ...
Search for a tab character in a string: lettext ="Visit W3Schools.\tLearn Javascript."; letpattern =/\t/; Try it Yourself » Description The \t metacharacter matches horizontal tabs (tabulators). Browser Support /\t/is an ECMAScript1 (JavaScript 1997) feature. ...
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or simply: /\W/ Syntax with modifiers new RegExp("\\W", "g") or simply: /\W/g Regular Expression Search Methods In JavaScript, a regular expression text search, can be done with different methods. With apatternas a regular expression, these are the most common methods: ...
new RegExp("\\d") or simply: /\d/ Syntax with modifiers new RegExp("\\d", "g") or simply: /\d/g Regular Expression Search Methods In JavaScript, a regular expression text search, can be done with different methods. With apatternas a regular expression, these are the most common ...
new RegExp("\\w") or simply: /\w/ Syntax with modifiers new RegExp("\\w", "g") or simply: /\w/g Regular Expression Search Methods In JavaScript, a regular expression text search, can be done with different methods. With apatternas a regular expression, these are the most common ...
/(?!n)/is an ECMAScript1 (JavaScript 1997) feature. It is supported in all browsers: ChromeEdgeFirefoxSafariOperaIE YesYesYesYesYesYes Syntax Syntax with modifiers ❮PreviousJavaScriptRegExp ObjectNext❯ Track your progress - it's free! Log inSign Up COLOR PICKER...