namedtuple('Token', ['type', 'value', 'line', 'column']) def tokenize(code): keywords = {'IF', 'THEN', 'ENDIF', 'FOR', 'NEXT', 'GOSUB', 'RETURN'} token_specification = [ ('NUMBER', r'\d+(\.\d*)?'), # Integer or
re.compile(pattern,flags=0) 将正则表达式的样式编译为一个正则表达式对象(正则对象),可以用于匹配,通过这个对象的方法match(),search()以及其他如下描述。 这个表达式的行为可以通过指定标记的值来改变。值可以是以下任意变量,可以通过位的OR操作来结合(|操作符)。 序列 prog=re.compile(pattern)result=prog.match(...
NSInteger portInteger = [[searchString stringByMatching:regexString capture:1L] integerValue]; NSLog(@”portInteger: ‘%ld’”, (long)portInteger); // 2008-10-15 08:52:52.500 host_port[8021:807] portInteger: ‘8080′ 取string中http的例子。 下面给出常用的一些正则表达式(其实就是RegexKitLite...
NSInteger portInteger = [[searchString stringByMatching:regexString capture:1L] integerValue]; NSLog(@”portInteger: ‘%ld’”, (long)portInteger); // 2008-10-15 08:52:52.500 host_port[8021:807] portInteger: ‘8080′ 取string中http的例子。 下面给出常用的一些正则表达式(其实就是RegexKitLite...
\dAny decimal digit: ([0-9]) \hAny hexadecimal digit: ([0-9a-fA-F]) \nNewline: (\r|(\r?\n)) \qA quoted string: (\"[^\"]*\")|(\'[^\']*\') \wA simple word: ([a-zA-Z]+) \zAn integer: ([0-9]+) Before parting, I should point out to C++ fans that regular ...
\d+)?) Match the pattern of one or more decimal digits followed by an optional period and additional decimal digits. This is the second capturing group. The call to the Replace(String, String) method replaces the entire match with the value of this captured group. (?(1)|\s?\p{Sc})...
Text.RegularExpressions Module Example Public Sub Main() Dim input As String = "characters" Dim regex As New Regex("") Dim substrings() As String = regex.Split(input, input.Length) Console.Write("{") For ctr As Integer = 0 to substrings.Length - 1 Console.Write(substrings(ctr)) if...
Converting a TextBox from a string to a double or integer Converting an Object to dataTable in C# Converting ASP.net project into executable (.EXE) file Converting Aspnet to aspnetcore: RequestContext.Principal Converting C# code to .dll file. Converting Date to UK Format Converting Decimal To...
Convert short month to integer month convert short time string to time span Convert SQL DateTime field to C# DateTime convert sqlDatareader to list of objects convert string array to fileinfo array in c# Convert String Column To DateTime In DataTable Convert string into decimal with keeping decim...
Split a string into characters and return their integer values. Replace Letters with Digits Put digits in place of characters in a string. Fix String Quoting Correct misquoted strings (add/remove missing quotes). Shift a String Shift characters in a string to the left or right. Color a...