// 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#"(?xsm)\s* # white spaces
########################## KEYS START ##########################
(?: # We\'ll use this to make keys optional
(?P<keys> # named group: keys
\d+ # match digits
| # or
"(?(?=\\\\")..|[^"])*" # match string between "", works even 4 escaped ones "hello \" world"
| # or
\'(?(?=\\\\\')..|[^\'])*\' # match string between \'\', same as above :p
| # or
\$\w+(?:\[(?:[^[\]]|(?R))*\])* # match variables $_POST, $var, $var["foo"], $var["foo"]["bar"], $foo[$bar["fail"]]
) # close group: keys
########################## KEYS END ##########################
\s* # white spaces
=> # match =>
)? # make keys optional
\s* # white spaces
########################## VALUES START ##########################
(?P<values> # named group: values
\d+ # match digits
| # or
"(?(?=\\\\")..|[^"])*" # match string between "", works even 4 escaped ones "hello \" world"
| # or
\'(?(?=\\\\\')..|[^\'])*\' # match string between \'\', same as above :p
| # or
\$\w+(?:\[(?:[^[\]]|(?R))*\])* # match variables $_POST, $var, $var["foo"], $var["foo"]["bar"], $foo[$bar["fail"]]
| # or
array\s*\((?:[^()]|(?R))*\) # match an array()
| # or
\[(?:[^[\]]|(?R))*\] # match an array, new PHP array syntax: [1, 3, 5] is the same as array(1,3,5)
| # or
(?:function\s+)?\w+\s* # match functions: helloWorld, function name
(?:\((?:[^()]|(?R))*\)) # match function parameters (wut), (), (array(1,2,4))
(?:(?:\s*use\s*\((?:[^()]|(?R))*\)\s*)? # match use(&$var), use($foo, $bar) (optionally)
\{(?:[^{}]|(?R))*\} # match { whatever}
)?;? # match ; (optionally)
) # close group: values
########################## VALUES END ##########################
\s* # white spaces"#).unwrap();
let string = "0 => \"a\", 123 => 123, 1234, 'got problem ?',
\"a\" => $GlobalScopeVar,
$test_further => function test($noway){echo \"this works too !!!\";},
\"yellow\" => \"blue\",
\"b\" => array(\"nested\"=>array(1,2,3), \"nested\"=>array(1,2,3),\"nested\"=>array(1,2,3)),
\"c\" => function() use (&$VAR) { return isset($VAR) ? \"defined\" : \"undefined\" ; },
\"bug\",$var = $_POST[\"test];
\"fixed\",
\"mwahahahaa\" => \"Yeaaaah\",
$_POST[\"hello\"][\\'world\\'] => array(\"is\", \"actually\", \"An array !\")";
// 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/