File: special_escapes.re

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re2c 4.1-1
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# re2py $INPUT -o $OUTPUT

def lex(yyinput):
    yycursor = 0
    yymarker = 0
%{
    re2c:yyfill:enable = 0;
    re2c:indent:top = 1;

    "\a\b\f\n\r\t\v\\'\"" { return True }
    * {
        x = ['\a', '\b', '\f', '\n', '\r', '\t', '\v', '\\', '\'', '\"'] # unused
        return False
    }
%}

assert lex(b"\x07\x08\x0c\x0a\x0d\x09\x0b\\'\"\0")