## US EIN (Employer Identification Number) Regular Expression

A regular expression that matches a valid EIN (Employer Identification Number) number.

Useful regular expressions to match numbers like telephone numbers, credit card numbers, etc.

A regular expression that matches a valid EIN (Employer Identification Number) number.

A regular expression to simply match numbers that contains only digits, commas, and dots.

A simple regular expression to match leading zeros. Can be used to remove all leading zeros from integers in a string.

A regular expression to match and validate postal codes in Iran.

A regular expression to match any strings which contain numbers.

A regular expression that allows you to match any numbers but the last x digits (last 4 digits in this regex) in a string.

A regular expression that allows you to match all one-digit numbers in a string.

A regular expression to match all numbers found within a string.

A regular expression that can be used to check if a given string represents a valid Vehicle Identification Number (VIN).

A regular expression to match the first group of numbers or the first group of strings containing digits.

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