// include the latest version of the regex crate in your Cargo.toml
extern crate regex;
use regex::Regex;
fn main() {
let regex = Regex::new(r"(?m)(?P<assign_op>(\:|\!|\?)?=)|(?P<token_subst>$|%(\<\@))|(?P<token_ident>[\w\d\.\,]+)|(?P<target_name_match>%\.?)|(?P<token_rule_sep>[:])|(?P<incr_op>\n)|(?P<line_end>\n)|(?P<comment_op>#[.*]+$)|(?P<adjust_parser>[\$%\s\t\:])").unwrap();
let string = "CC := nasm
BOOT_REQ := text.o
FREELDR_SRCS := freeldr.c
IMG_NAME := boot.img
TEXT_SECTION := 7c00
# UFS2, ZFS and/or RAW
FILESYSTEMS :=
CPU_FLAGS := PAE
SDK_FLAGS :=
VERSION := \"1.00.00\"
%.o:
$(ASM) ${SDK_FLAGS} -f bin -o $@ $(patsubst %.bin,%.asm,$@))
${IMG_NAME}:
$(BOOT_REQ) $(FREELDR_SRCS:.c=.o)
";
// result will be an iterator over tuples containing the start and end indices for each match in the string
let result = regex.captures_iter(string);
for mat in result {
println!("{:?}", mat);
}
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Rust, please visit: https://docs.rs/regex/latest/regex/