Answers for "regex for numbers and decimals only"

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regex for numbers and decimals only

const source = document.getElementById('source');
source.addEventListener('input', allowOnlyNumberAndDecimals);

function allowOnlyNumberAndDecimals(e) {
  let str = e.target.value
  const regExp = /^(\d+(\.\d+)?)$/

  let status = regExp.test(str) ? 'valid' : 'invalid'

  console.log(status + ' : ' + source.value)
}

Posted by: Guest on October-04-2021

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