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// Generated by re2zig
// re2zig $INPUT -o $OUTPUT -s
const std = @import("std");
fn lex(yyinput: [:0]const u8) bool {
var yycursor: u32 = 0;
var yych: u8 = 0;
var yystate: u32 = 0;
yyl: while (true) {
switch (yystate) {
0 => {
yych = yyinput[yycursor];
yycursor += 1;
if (yych <= 0x30) {
yystate = 1;
continue :yyl;
}
if (yych <= 0x39) {
yystate = 2;
continue :yyl;
}
yystate = 1;
continue :yyl;
},
1 => { return false; },
2 => {
yych = yyinput[yycursor];
if (yych <= 0x2F) {
yystate = 3;
continue :yyl;
}
if (yych <= 0x39) {
yycursor += 1;
yystate = 2;
continue :yyl;
}
yystate = 3;
continue :yyl;
},
3 => { return true; },
else => { @panic("internal lexer error"); },
}
}
}
test {
try std.testing.expect(lex("1234"));
}
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