Regex to match only letters and numbers
Let me explain regex to match only letters and numbers here below with example. You may use character sets like to match one letter range A-Z as you know from lowercase and uppercase. + it matches one or more letters plus ^+$ match one thing which includes one or more than one letters only (^ and $ mark the begin and end of a string respectively).
regex only string and numbers
on Jan 01, 1970
export const onlyNumbersAndLetters = (value) => {
if(value)
return value.replace(/[^a-zA-Z0-9]/g, '');
}0
regex only digits
on Jan 01, 1970
onsole.log(`12331: ${/^\d+$/.test('12331')}`) // true
console.log(`abc: ${/^\d+$/.test('abc')}`) // false 0
In case you need to match some more letters from A-Z you may also add them to the character set: . One more method is to use predefined character classes like Unicode Character class p{L} which also describe Unicode characters as you know they are letters. Hopefully you have got answer given above about regex only letters and numbers.
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