1 | #Region "Microsoft.VisualBasic::872b05a19ade60385eb119b14954af63, Microsoft.VisualBasic.Core\Text\Patterns\Regexp.vb" |
2 | |
3 | ' Author: |
4 | ' |
5 | ' asuka (amethyst.asuka@gcmodeller.org) |
6 | ' xie (genetics@smrucc.org) |
7 | ' xieguigang (xie.guigang@live.com) |
8 | ' |
9 | ' Copyright (c) 2018 GPL3 Licensed |
10 | ' |
11 | ' |
12 | ' GNU GENERAL PUBLIC LICENSE (GPL3) |
13 | ' |
14 | ' |
15 | ' This program is free software: you can redistribute it and/or modify |
16 | ' it under the terms of the GNU General Public License as published by |
17 | ' the Free Software Foundation, either version 3 of the License, or |
18 | ' (at your option) any later version. |
19 | ' |
20 | ' This program is distributed in the hope that it will be useful, |
21 | ' but WITHOUT ANY WARRANTY; without even the implied warranty of |
22 | ' MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
23 | ' GNU General Public License for more details. |
24 | ' |
25 | ' You should have received a copy of the GNU General Public License |
26 | ' along with this program. If not, see <http://www.gnu.org/licenses/>. |
27 | |
28 | |
29 | |
30 | ' /********************************************************************************/ |
31 | |
32 | ' Summaries: |
33 | |
34 | ' Class Regexp |
35 | ' |
36 | ' Properties: Regex |
37 | ' |
38 | ' Constructor: (+1 Overloads) Sub New |
39 | ' Function: ToString |
40 | ' Operators: <=, >=, (+4 Overloads) And, (+4 Overloads) Like |
41 | ' |
42 | ' |
43 | ' /********************************************************************************/ |
44 | |
45 | #End Region |
46 | |
47 | Imports System.Runtime.CompilerServices |
48 | Imports System.Text.RegularExpressions |
49 | |
50 | Namespace Text.Patterns |
51 | |
52 | Public Class Regexp |
53 | |
54 | ReadOnly r As Regex |
55 | ReadOnly pattern$ |
56 | |
57 | Public ReadOnly Property Regex As String |
58 | <MethodImpl(MethodImplOptions.AggressiveInlining)> |
59 | Get |
60 | Return pattern |
61 | End Get |
62 | End Property |
63 | |
64 | Sub New(pattern$, Optional opts As RegexOptions = RegexICSng) |
65 | Me.r = New Regex(pattern, opts) |
66 | Me.pattern = pattern |
67 | End Sub |
68 | |
69 | Public Overrides Function ToString() As String |
70 | Return pattern & " @ " & r.Options.ToString |
71 | End Function |
72 | |
73 | ''' <summary> |
74 | ''' Grep target input <paramref name="text"/> by a specific regex <paramref name="pattern"/>. |
75 | ''' Match all of the sub string in target <paramref name="text"/> that matched the input regex <paramref name="pattern"/>. |
76 | ''' (即从目标字符串之中匹配出所有符合目标模式的字符串) |
77 | ''' </summary> |
78 | ''' <param name="pattern"></param> |
79 | ''' <param name="text$"></param> |
80 | ''' <returns></returns> |
81 | ''' |
82 | <MethodImpl(MethodImplOptions.AggressiveInlining)> |
83 | Public Shared Operator <=(pattern As Regexp, text$) As String() |
84 | Return pattern.r.Matches(text).ToArray |
85 | End Operator |
86 | |
87 | Public Shared Operator >=(pattern As Regexp, text$) As String() |
88 | Throw New NotSupportedException |
89 | End Operator |
90 | |
91 | ''' <summary> |
92 | ''' 求出目标字符串<paramref name="text"/>和<paramref name="pattern"/>的交集,即使用正则表达式来匹配目标字符串之中的子串 |
93 | ''' </summary> |
94 | ''' <param name="text$"></param> |
95 | ''' <param name="pattern"></param> |
96 | ''' <returns></returns> |
97 | ''' |
98 | <MethodImpl(MethodImplOptions.AggressiveInlining)> |
99 | Public Shared Operator And(text$, pattern As Regexp) As String |
100 | Return pattern.r.Match(text).Value |
101 | End Operator |
102 | |
103 | ''' <summary> |
104 | ''' 求出目标字符串<paramref name="text"/>和<paramref name="pattern"/>的交集,即使用正则表达式来匹配目标字符串之中的子串 |
105 | ''' </summary> |
106 | ''' <param name="text$"></param> |
107 | ''' <param name="pattern"></param> |
108 | ''' <returns></returns> |
109 | ''' |
110 | <MethodImpl(MethodImplOptions.AggressiveInlining)> |
111 | Public Shared Operator And(pattern As Regexp, text$) As String |
112 | Return pattern.r.Match(text).Value |
113 | End Operator |
114 | |
115 | ''' <summary> |
116 | ''' Target input <paramref name="text"/> is equals to the regex <paramref name="pattern"/>? |
117 | ''' </summary> |
118 | ''' <param name="text$"></param> |
119 | ''' <param name="pattern"></param> |
120 | ''' <returns></returns> |
121 | <MethodImpl(MethodImplOptions.AggressiveInlining)> |
122 | Public Shared Operator Like(text$, pattern As Regexp) As Boolean |
123 | Return (text And pattern) = text |
124 | End Operator |
125 | |
126 | ''' <summary> |
127 | ''' Target input <paramref name="text"/> is equals to the regex <paramref name="pattern"/>? |
128 | ''' </summary> |
129 | ''' <param name="text$"></param> |
130 | ''' <param name="pattern"></param> |
131 | ''' <returns></returns> |
132 | <MethodImpl(MethodImplOptions.AggressiveInlining)> |
133 | Public Shared Operator Like(pattern As Regexp, text$) As Boolean |
134 | Return text Like pattern |
135 | End Operator |
136 | End Class |
137 | End Namespace |