This video makes it easy for anyone who wants to install flex on Windows and run a flex/lex program on windows 7/8/10 using command prompt(cmd).

You can check my website for step by step guide on how to install flex and run flex program or check below in the description.
https://codedost.com/flex/

Hosting provided at : https://www.bluehost.com/track/codedost/

There is also a list of Flex programs on my website
https://codedost.com/flex/flexprograms/

Download links
For CODEBLOCKS:
https://sourceforge.net/projects/code...

For GnuWin32 :
https://sourceforge.net/projects/gnuw...

Run a flex program on cmd :
Type in command : flex filename.l
Type in command : gcc lex.yy.c
Execute command : a.exe


/*STEP BY STEP GUIDE FOR FLEX INSTALLATION */

Step 1
/* For downloading CODEBLOCKS */
Open your Browser and type in "codeblocks"
Goto to Code Blocks and go to downloads section
Click on "Download the binary release"
I have already Download codeblocks16.01mingwsetup.exe
Install the software keep clicking on next


/* For downloading FLEX GnuWin32 */
Open your Browser and type in "download flex gnuwin32"
Goto to "Download GnuWin from SourceForge.net"
Downloading will start automatically
Install the software keep clicking on next
/*SAVE IT INSIDE C FOLDER*/


Step 2 /*PATH SETUP FOR CODEBLOCKS*/
After successful installation Goto program files
Goto CodeBlocks
Goto MinGW
Goto Bin
Copy the address of bin it should somewhat look like this
C:\Program Files x86\CodeBlocks\MinGW\bin
Open Control Panel
Goto System
Goto Advance System Settings
Goto Environment Variables
Goto Environment Variables
Click on Path which is inside System variables
Click on edit
Click on New and paste the copied path to it:
C:\Program Files x86\CodeBlocks\MinGW\bin
Press Ok!

Step 3 /*PATH SETUP FOR GnuWin32*/
After successful installation Goto C folder
Goto GnuWin32
Goto Bin
Copy the address of bin it should somewhat look like this
C:\GnuWin32\bin
Open Control Panel
Goto System
Goto Advance System Settings
Goto Environment Variables
Environment Variables
Click on Path which is inside System variables
Click on edit
Click on New and paste the copied path to it:
C:\GnuWin32\bin
Press Ok!
/*WARNING!!! PLEASE MAKE SURE THAT PATH OF CODEBLOCKS IS BEFORE GNUWIN32
THE ORDER MATTERS*/

Step 4
Create a folder on Desktop flex_programs or whichever name you like
Open notepad type in a flex program
Save it inside the folder like filename.l
/*Make sure while saving save it as all files rather than as a text document*/

Step 5
Goto to Command Prompt(cmd)
Goto the directory where you have saved the program
Type in command : flex filename.l
Type in command : gcc lex.yy.c
Execute/Run for windows command promt : a.exe

All the Links are given in the description
All the steps with video and screenshots are available on
my site https://www.codedost.com

Thank You!!!