Regex validation within if statements [duplicate]

Question

Hi I am hoping this may be and easy one for some of you.

Essentially I am just asking if it is possible to use a regex match statement within a if statement.

I have used some in my Formik validation schema but am not sure if it is possible to use within an if statement.

This is my if statement

if (this.state.email.length < 8 || this.state.password.length < 8)

I would like to include something along the logic of

 .matches(/(?=.*outlook)/)

Is this possible ?

Does this answer your question? Check whether a string matches a regex in JS — VLAZ
– VLAZ, Commented Jan 10, 2020 at 9:34

Jayce444 · Accepted Answer · 2020-01-10 09:30:40Z

1

I think what you're looking for is the regex .test() method. It applies a regex to a string and returns true if it matches, or false if it doesn't. See here:

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/test

answered Jan 10, 2020 at 9:30

Jayce444

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walid sahli · Accepted Answer · 2020-01-10 09:36:09Z

0

you can use match to validate regex expression in javascript, this is an example of email validation :

function ValidateEmail(inputText) {
  var mailformat = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/;
  if (inputText.match(mailformat)) return true;
}

answered Jan 10, 2020 at 9:36

walid sahli

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2 Comments

VLAZ Over a year ago

Why if (text.match(regex)) return true than return regex.test(text)?

coderStew Over a year ago

Thanks you are a hero. I only used a simple /@/ as my regex as I feel deeper validation for an email is not needed.

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