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ISEMAIL

Checks whether a value is a valid email address.

InfoISEMAIL(value)

The ISEMAIL function in Google Sheets checks whether a given value is a validly formatted email address, returning TRUE or FALSE. It's a quick and reliable way to validate contact data without writing a complex regular expression. Dive into our comprehensive guide to master its use.

Parameters

  • value: The value or cell reference to test for a valid email format.

Step-by-Step Tutorial

  1. Checking a valid email address:

    • Example: =ISEMAIL("user@example.com")
    • Result: TRUE
  2. Checking an invalid value:

    • Example: =ISEMAIL("not-an-email")
    • Result: FALSE

Use Cases and Scenarios

  1. Form Data Validation: Verify that user-submitted email addresses are properly formatted before processing.
  2. Data Cleaning: Flag invalid or malformed email entries in imported contact lists.
  3. Conditional Formatting: Highlight cells with invalid email addresses using ISEMAIL combined with conditional formatting rules.

Related Functions

  • ISURL: Checks whether a value is a valid URL.
  • ISTEXT: Checks whether a value is text.
  • REGEXMATCH: Checks whether a piece of text matches a regular expression.

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