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GnuWin32: Flex

by GnuWin32v2.5.4a

Last updated

fast lexical analyzer generator

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Install with winget

$ winget install --id GnuWin32.Flex --exact --version 2.5.4a

Run in Command Prompt, PowerShell, or Windows Terminal. Prompts for any agreements.

Silent install command for GnuWin32: Flex

GnuWin32: Flex uses EXE (Inno Setup). The silent install switches are /VERYSILENT /SUPPRESSMSGBOXES /NORESTART.

One-line silent install (x86)
flex-2.5.4a-1.exe /VERYSILENT /SUPPRESSMSGBOXES /NORESTART

See the full silent install reference for GnuWin32: Flex →

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About

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.

Installers · v2.5.4a

ArchitectureTypeScopeInstallDownload
x86EXE
Inno Setup
-Direct

Copy a command tailored to that specific architecture, type, and scope - useful when winget would otherwise pick a different default.

Security

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.

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More from GnuWin32 or browse gnuwin32, parser, flex.

Frequently asked questions

How do I install GnuWin32: Flex on Windows?
Open Windows Terminal, PowerShell, or Command Prompt and run: winget install --id GnuWin32.Flex --exact --version 2.5.4a. winget downloads the installer from GnuWin32 and runs it. Requires Windows 10 (1809+) or Windows 11.
How do I install GnuWin32: Flex silently for unattended deployment?
Add --silent and accept the agreements upfront: winget install --id GnuWin32.Flex --exact 2.5.4a --silent --accept-package-agreements --accept-source-agreements. This is the variant Intune, Configuration Manager, and other deployment tools should use.
What are the silent install switches for GnuWin32: Flex?
GnuWin32: Flex uses EXE (Inno Setup). Run the downloaded installer with: flex-2.5.4a-1.exe /VERYSILENT /SUPPRESSMSGBOXES /NORESTART. The silent switches are /VERYSILENT /SUPPRESSMSGBOXES /NORESTART.
How do I uninstall GnuWin32: Flex via winget?
Run: winget uninstall --id GnuWin32.Flex --exact. Add --silent for unattended uninstalls. winget will use the registered uninstaller from GnuWin32: Flex's Apps & Features entry.
Is GnuWin32: Flex free?
GnuWin32: Flex is distributed under GnuWin License. Refer to the publisher (https://gnuwin32.sourceforge.net/packages/flex.htm) for the full license terms - Wingetly itself does not charge for installation.
Does GnuWin32: Flex work on Windows 10?
Yes, as long as your Windows 10 build supports winget (1809 or newer). winget ships with App Installer on Windows 10/11 and pulls GnuWin32: Flex directly from the publisher.
How do I keep GnuWin32: Flex up to date?
Run winget upgrade --id GnuWin32.Flex --exact, or winget upgrade --all to update everything winget tracks. We index 1 version of GnuWin32: Flex from microsoft/winget-pkgs.