LABWORK $1-$ Section $2\mathrm{.}1$

Your input file contains numbers. Each three digit of a number is separated by $","$ and in the end, it contains a floating$-$point value. Write the appropriate lex code to obtain the desired outputs.

Writing the correct regular expression $(60$ points$)$

You need to write a regular expression to gather the desired output as in the "exampleOutput.txt$"$ file $(50$ points$)$

If you want to reject the incorrect ones you need to write another regular expression $(10$ points$)$

The last regular expression can be $.$ In

Writing the necessary $C$ code $(40$ points$)$

Warning: Your codes should not work with only example inputs. Write your code according to the given pattern.

PS: You can use the $./$a$.$out input.txt $>$ output.txt command to write your output to a file.

$\backslash$table$[[$Description$,$Examples,Action,Output$],[$Numbers$,123,689\mathrm{.}23,$Print the count of the,$123,689\mathrm{.}23$ has $1,],[,12,445,123\mathrm{.}0,$commas,$12,445,123\mathrm{.}0$ has $2,]]$