REGEXTEST function
Test whether text contains a regular-expression match.
This reference covers the native Excel function. Its required application features or connected services are not implemented by the local worksheet engine. Check the linked Microsoft documentation for availability and complete option values.
Syntax
REGEXTEST(text, pattern, [case_sensitivity])Square brackets indicate optional arguments.
Arguments
| Argument | Required | Meaning |
|---|---|---|
| text | Yes | Text to examine or process. |
| pattern | Yes | A regular expression describing the text to match; Excel uses PCRE2 syntax. |
| case_sensitivity | No | Controls whether uppercase and lowercase characters are distinguished. |
Try REGEXTEST
Choose the documented case sensitivity
=HSTACK(REGEXTEST(A2,B2,0),REGEXTEST(A2,B2,1))The same literal pattern is false under case-sensitive flag 0 and true under case-insensitive flag 1. The pinned parser alias is handled without removing its scalar pattern safety checks.
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REGEXTEST · inside HSTACK
=HSTACK(REGEXTEST(A2,B2,0),REGEXTEST(A2,B2,1))Follow the cells behind a result
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Reference and compatibility
Original SheetTutor reference notes / Microsoft documentation. Calculation checks cover the supplied examples only. The browser worksheet does not implement every Excel feature, external service or connected data type.