1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
if (typeof parseRegExp === 'undefined')
quit();
load(libdir + "regexp_parse.js");
test_mix("(?=abc)", all_flags,
Lookahead(Atom("abc")));
test_mix("(?!abc)", all_flags,
NegativeLookahead(Atom("abc")));
test_mix("(?=abc)+", no_unicode_flags,
Lookahead(Atom("abc")));
// Lookahead becomes Empty because max_match of Lookahead is 0 and the min vaue
// of Quantifier is also 0.
test("(?=abc)*", no_unicode_flags,
Empty());
test("X(?=abc)*Y", no_unicode_flags,
Alternative([
Atom("X"),
Atom("Y"),
]));
test("(?=abc)?", no_unicode_flags,
Empty());
test("X(?=abc)?Y", no_unicode_flags,
Alternative([
Atom("X"),
Atom("Y"),
]));
|
