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Last active April 3, 2021 08:09
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check if a string contains digits js #strings #vanillajs
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snippet.md

make use of RegExp.prototype.test()

The test() method executes a search for a match between a regular expression and a specified string. Returns true or false.

function hasNumber(myString) {
  return /\d/.test(myString);
}

/\d/.test("dfgsdswefx"); // false

/\d/.test("df3sdswef"); // true
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