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Regex validator

Easily check the results of different JavaScript RegExp functions.

Easily check the results of different JavaScript RegExp functions.

FAQ

If you have questions , here’s the FAQ for your consideration. If you have a specific enquiry, don’t hesitate to contact us at [email protected].

What is a regular expression?

A regular expression, regex, or regexp is a sequence of characters used to specify a search pattern. A user can use regex in search and replace operations.

What is regex validator?

A Regex validator is an online tool used to control and check whether the value of an input control matches the regular expression pattern. You can use Regex validation to check for predictable sequences of characters, for example, in email addresses.