mat!(ascii_literal, r"a", "a", Some((0, 1)));
// Some crazy expressions from regular-expressions.info.
-mat!(match_ranges,
- r"\b(?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\b",
- "num: 255", Some((5, 8)));
-mat!(match_ranges_not,
- r"\b(?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\b",
- "num: 256", None);
+mat!(
+ match_ranges,
+ r"(?-u)\b(?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\b",
+ "num: 255",
+ Some((5, 8))
+);
+mat!(
+ match_ranges_not,
+ r"(?-u)\b(?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\b",
+ "num: 256",
+ None
+);
mat!(match_float1, r"[-+]?[0-9]*\.?[0-9]+", "0.1", Some((0, 3)));
mat!(match_float2, r"[-+]?[0-9]*\.?[0-9]+", "0.1.2", Some((0, 3)));
mat!(match_float3, r"[-+]?[0-9]*\.?[0-9]+", "a1.2", Some((1, 4)));
mat!(match_float4, r"^[-+]?[0-9]*\.?[0-9]+$", "1.a", None);
-mat!(match_email, r"(?i)\b[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,4}\b",
- "mine is jam.slam@gmail.com ", Some((8, 26)));
-mat!(match_email_not, r"(?i)\b[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,4}\b",
- "mine is jam.slam@gmail ", None);
-mat!(match_email_big, r"[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?",
- "mine is jam.slam@gmail.com ", Some((8, 26)));
-mat!(match_date1,
- r"^(19|20)\d\d[- /.](0[1-9]|1[012])[- /.](0[1-9]|[12][0-9]|3[01])$",
- "1900-01-01", Some((0, 10)));
-mat!(match_date2,
- r"^(19|20)\d\d[- /.](0[1-9]|1[012])[- /.](0[1-9]|[12][0-9]|3[01])$",
- "1900-00-01", None);
-mat!(match_date3,
- r"^(19|20)\d\d[- /.](0[1-9]|1[012])[- /.](0[1-9]|[12][0-9]|3[01])$",
- "1900-13-01", None);
+mat!(
+ match_email,
+ r"(?i-u)\b[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,4}\b",
+ "mine is jam.slam@gmail.com ",
+ Some((8, 26))
+);
+mat!(
+ match_email_not,
+ r"(?i-u)\b[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,4}\b",
+ "mine is jam.slam@gmail ",
+ None
+);
+mat!(
+ match_email_big,
+ r"[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?",
+ "mine is jam.slam@gmail.com ",
+ Some((8, 26))
+);
+mat!(
+ match_date1,
+ r"(?-u)^(19|20)\d\d[- /.](0[1-9]|1[012])[- /.](0[1-9]|[12][0-9]|3[01])$",
+ "1900-01-01",
+ Some((0, 10))
+);
+mat!(
+ match_date2,
+ r"(?-u)^(19|20)\d\d[- /.](0[1-9]|1[012])[- /.](0[1-9]|[12][0-9]|3[01])$",
+ "1900-00-01",
+ None
+);
+mat!(
+ match_date3,
+ r"(?-u)^(19|20)\d\d[- /.](0[1-9]|1[012])[- /.](0[1-9]|[12][0-9]|3[01])$",
+ "1900-13-01",
+ None
+);
// Do some crazy dancing with the start/end assertions.
matiter!(match_start_end_empty, r"^$", "", (0, 0));
matiter!(match_start_end_empty_many_1, r"^$^$^$", "", (0, 0));
matiter!(match_start_end_empty_many_2, r"^^^$$$", "", (0, 0));
matiter!(match_start_end_empty_rev, r"$^", "", (0, 0));
-matiter!(match_start_end_empty_rep, r"(?:^$)*", "a\nb\nc",
- (0, 0), (1, 1), (2, 2), (3, 3), (4, 4), (5, 5));
-matiter!(match_start_end_empty_rep_rev, r"(?:$^)*", "a\nb\nc",
- (0, 0), (1, 1), (2, 2), (3, 3), (4, 4), (5, 5));
+matiter!(
+ match_start_end_empty_rep,
+ r"(?:^$)*",
+ "a\nb\nc",
+ (0, 0),
+ (1, 1),
+ (2, 2),
+ (3, 3),
+ (4, 4),
+ (5, 5)
+);
+matiter!(
+ match_start_end_empty_rep_rev,
+ r"(?:$^)*",
+ "a\nb\nc",
+ (0, 0),
+ (1, 1),
+ (2, 2),
+ (3, 3),
+ (4, 4),
+ (5, 5)
+);
// Test negated character classes.
mat!(negclass_letters, r"[^ac]", "acx", Some((2, 3)));
mat!(negclass_letter_comma, r"[^a,]", "a,x", Some((2, 3)));
-mat!(negclass_letter_space, r"[^a\s]", "a x", Some((2, 3)));
+mat!(negclass_letter_space, r"[^a[:space:]]", "a x", Some((2, 3)));
mat!(negclass_comma, r"[^,]", ",,x", Some((2, 3)));
-mat!(negclass_space, r"[^\s]", " a", Some((1, 2)));
-mat!(negclass_space_comma, r"[^,\s]", ", a", Some((2, 3)));
-mat!(negclass_comma_space, r"[^\s,]", " ,a", Some((2, 3)));
+mat!(negclass_space, r"[^[:space:]]", " a", Some((1, 2)));
+mat!(negclass_space_comma, r"[^,[:space:]]", ", a", Some((2, 3)));
+mat!(negclass_comma_space, r"[^[:space:],]", " ,a", Some((2, 3)));
mat!(negclass_ascii, r"[^[:alpha:]Z]", "A1", Some((1, 2)));
// Test that repeated empty expressions don't loop forever.
matiter!(match_empty9, r"z|()+", "abc", (0, 0), (1, 1), (2, 2), (3, 3));
matiter!(match_empty10, r"()+|b", "abc", (0, 0), (1, 1), (2, 2), (3, 3));
matiter!(match_empty11, r"b|()+", "abc", (0, 0), (1, 2), (3, 3));
+matiter!(match_empty12, r"|b", "abc", (0, 0), (1, 1), (2, 2), (3, 3));
+matiter!(match_empty13, r"b|", "abc", (0, 0), (1, 2), (3, 3));
+matiter!(match_empty14, r"|z", "abc", (0, 0), (1, 1), (2, 2), (3, 3));
+matiter!(match_empty15, r"z|", "abc", (0, 0), (1, 1), (2, 2), (3, 3));
+matiter!(match_empty16, r"|", "abc", (0, 0), (1, 1), (2, 2), (3, 3));
+matiter!(match_empty17, r"||", "abc", (0, 0), (1, 1), (2, 2), (3, 3));
+matiter!(match_empty18, r"||z", "abc", (0, 0), (1, 1), (2, 2), (3, 3));
+matiter!(match_empty19, r"(?:)|b", "abc", (0, 0), (1, 1), (2, 2), (3, 3));
+matiter!(match_empty20, r"b|(?:)", "abc", (0, 0), (1, 2), (3, 3));
+matiter!(match_empty21, r"(?:|)", "abc", (0, 0), (1, 1), (2, 2), (3, 3));
+matiter!(match_empty22, r"(?:|)|z", "abc", (0, 0), (1, 1), (2, 2), (3, 3));
+matiter!(match_empty23, r"a(?:)|b", "abc", (0, 1), (1, 2));
// Test that the DFA can handle pathological cases.
// (This should result in the DFA's cache being flushed too frequently, which
#[test]
fn dfa_handles_pathological_case() {
fn ones_and_zeroes(count: usize) -> String {
- use rand::{Rng, thread_rng};
+ use rand::rngs::SmallRng;
+ use rand::{Rng, SeedableRng};
- let mut rng = thread_rng();
+ let mut rng = SmallRng::from_entropy();
let mut s = String::new();
for _ in 0..count {
if rng.gen() {
use regex::RegexBuilder;
RegexBuilder::new(
- r#"
+ r#"(?-u)
2(?:
[45]\d{3}|
7(?:
[24]1
)\d{2}
)\d{3}
- "#
+ "#,
)
.build()
.unwrap();
projects / cargo.git / blobdiff