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
-
Checking a valid email address:
- Example:
=ISEMAIL("user@example.com") - Result:
TRUE
- Example:
-
Checking an invalid value:
- Example:
=ISEMAIL("not-an-email") - Result:
FALSE
- Example:
Use Cases and Scenarios
- Form Data Validation: Verify that user-submitted email addresses are properly formatted before processing.
- Data Cleaning: Flag invalid or malformed email entries in imported contact lists.
- Conditional Formatting: Highlight cells with invalid email addresses using
ISEMAILcombined 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.