$ winget install --id GnuWin32.Flex --exact --version 2.5.4aRun in Command Prompt, PowerShell, or Windows Terminal. Prompts for any agreements.
GnuWin32: Flex uses EXE (Inno Setup). The silent install switches are /VERYSILENT /SUPPRESSMSGBOXES /NORESTART.
flex-2.5.4a-1.exe /VERYSILENT /SUPPRESSMSGBOXES /NORESTART
For IT teams
App deployment, patching, and remote support in one place. Push this app to every device you manage, keep it patched automatically, and see new CVEs the moment they land. Works with Intune or fully standalone.
Sign up freeFree for up to 5 devices.
Flex is a fast lexical analyzer generator. It is a tool for generating programs that perform pattern-matching on text.
There are many applications for Flex, including writing compilers in conjunction with GNU Bison.
Flex is a free implementation of the well known Lex program.
It features a Lex compatibility mode, and also provides several new features such as exclusive start conditions.
| Architecture | Type | Scope | Install | Download |
|---|---|---|---|---|
| x86 | EXE Inno Setup | - | Direct |
Copy a command tailored to that specific architecture, type, and scope - useful when winget would otherwise pick a different default.
No known CVEs for GnuWin32: Flex.
Coverage is best-effort and depends on a winget package mapping to an NVD CPE entry. Absence here is not a guarantee of safety.