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C # tutorial
Search a string for the character e"
exec() is an ECMAScript1 (ES1) feature.
ES1 (JavaScript 1997) is fully supported in all browsers:
| Chrome | IE | Edge | Firefox | Safari | Opera |
| Yes | Yes | Yes | Yes | Yes | Yes |
| Parameter | Description |
|---|---|
| string | Required. The string to be searched |
| Type | Description |
|---|---|
| Array | An array containing the matched text if it finds a match, otherwise it returns null |
Do a global search for "Hello" and "w3resource" in a string:
let text = "Hello world!";
// Look for "Hello"
let result1 = /Hello/.exec(text);
// Look for "w3resource"
let result2 = /w3resource/.exec(text);
In 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:
| Example | Description |
|---|---|
| text.match(pattern) | The String method match() |
| text.search(pattern) | The String method search() |
| pattern.exec(text) | The RexExp method exec() |
| pattern.test(text) | The RegExp method test() |