blob: 4f953418d91165932a5dd56197b4529c3d6a3d04 (
plain)
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
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
/****************************************************************************
**
** Copyright (C) 2022 Giuseppe D'Angelo <dangelog@gmail.com>.
** Copyright (C) 2022 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
** Copyright (C) 2022 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:FDL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Free Documentation License Usage
** Alternatively, this file may be used under the terms of the GNU Free
** Documentation License version 1.3 as published by the Free Software
** Foundation and appearing in the file included in the packaging of
** this file. Please review the following information to ensure
** the GNU Free Documentation License version 1.3 requirements
** will be met: https://www.gnu.org/licenses/fdl-1.3.html.
** $QT_END_LICENSE$
**
****************************************************************************/
//! [0]
QString p("a .*|pattern");
// re matches exactly the pattern string p
QRegularExpression re(QRegularExpression::anchoredPattern(p));
//! [0]
//! [1]
QString subject("the quick fox");
int offset = 0;
QRegExp re("(\\w+)");
while ((offset = re.indexIn(subject, offset)) != -1) {
offset += re.matchedLength();
// ...
}
//! [1]
//! [2]
QString subject("the quick fox");
QRegularExpression re("(\\w+)");
QRegularExpressionMatchIterator i = re.globalMatch(subject);
while (i.hasNext()) {
QRegularExpressionMatch match = i.next();
// ...
}
//! [2]
//! [3]
QRegExp wildcard("*.txt");
wildcard.setPatternSyntax(QRegExp::Wildcard);
//! [3]
//! [4]
auto wildcard = QRegularExpression(QRegularExpression::wildcardToRegularExpression("*.txt"));
//! [4]
//! [5]
const QString fp1("C:/Users/dummy/files/content.txt");
const QString fp2("/home/dummy/files/content.txt");
QRegExp re1("*/files/*");
re1.setPatternSyntax(QRegExp::Wildcard);
re1.exactMatch(fp1); // returns true
re1.exactMatch(fp2); // returns true
// but converted with QRegularExpression::wildcardToRegularExpression()
QRegularExpression re2(QRegularExpression::wildcardToRegularExpression("*/files/*"));
re2.match(fp1).hasMatch(); // returns false
re2.match(fp2).hasMatch(); // returns false
//! [5]
//! [6]
QRegularExpression re3(QRegularExpression::wildcardToRegularExpression(
"*/files/*", QRegularExpression::UnanchoredWildcardConversion));
re3.match(fp1).hasMatch(); // returns true
re3.match(fp2).hasMatch(); // returns true
//! [6]
|
