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JavaScript - String match() method example

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Created by:
Hayley-Mooney
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// ONLINE-RUNNER:browser;

const expression = /\s/g; // match whitespaces

const text = 'Example text.';

if (text.match(expression)) {
    console.log('The string contains space(s).');
}

1. Documentation

SyntaxString match(regexp)
Parametersregexp - a regular expression object
Result

The method returns an array containing the results of that search, or null if no matches are found.

DescriptionThe match() method retrieves the result of matching a string against a regular expression.

2. More examples

In this example, we use the match() method to return an array of digits from the text string. 

// ONLINE-RUNNER:browser;

const expression = /[0-9]/g; // match digits (0...9)

const text = 'Example number: 1234';
const digits = text.match(expression);

console.log(digits);

Output:

[ '1', '2', '3', '4' ]

See also

  1. JavaScript - exec() vs match()

References

  1. String.prototype.match() - JavaScript | MDN

Alternative titles

  1. JavaScript - String.prototype.match() documentation with examples
  2. js - String match() method documentation with examples
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JavaScript - String (documentation)

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