A regular expression to match a valid 15-digit GSTIN number (Goods and Services Tax Identification Number) in India.
A regular expression to match the first occurrence of a number in a string.
A regular expression that validates and matches UK National Insurance Number (NIN).
Useful regular expressions that will match even or odd numbers such as zip code, state id, or passport number.
A regular expression to match repeating digits in a given number.
A quick regular expression to match and validate the Credit Card’s CVV numbers.
A Regular Expression to match a 2-digit number, which can be helpful in validating a Credit/Debit Card issue number.
A regular expression to simply match and validate comma-separated numbers in your data.
A short yet useful regular expression that matches a number between 1 and 100.
A regular expression that matches the number at the end of a string.