How to run lex file?

问题

Here is my lex file

 %%
 .|\n    ECHO;
 %%

How to run this program in windows? How to compile this?

Please help me

回答1:

Use this procedure to compile:

How to compile LEX/YACC files on Windows?

Basically:

flex olex.l
gcc lex.yy.c -o olex.exe

And this modified file:

%%

.|"\n"  { ECHO; }

%%

int yywrap(void)
{
    return 0;
}

int main(void)
{
    yylex();
    return 0;
}

I hope this works for you.

来源：https://stackoverflow.com/questions/8373821/how-to-run-lex-file