The replacement string, " ", replaces them with a single space character. C# Copy Run using System; using System.Text.RegularExpressions; public class Example { public static void Main() { string input = "This is text with far too much " + "white space."; string pattern = "\\s+"...
using System; using System.Text.RegularExpressions; public class Example { public static void Main() { // Get drives available on local computer and form into a single character expression. string[] drives = Environment.GetLogicalDrives(); string driveNames = String.Empty; foreach (string drive ...
using System; using System.Text.RegularExpressions; public class Example { public static void Main() { // Get drives available on local computer and form into a single character expression. string[] drives = Environment.GetLogicalDrives(); string driveNames = String.Empty; foreach (string drive ...
using System; using System.Text.RegularExpressions; public class Example { public static void Main() { // Get drives available on local computer and form into a single character expression. string[] drives = Environment.GetLogicalDrives(); string driveNames = String.Empty; foreach (string drive ...
A neat regex for finding out whether a given torrent name is a series or a movie. Returns the full name of the series with the separator needed to make it pretty (ie, replace it with space or what you want). Also returns the season number or the year for the movie/series, depending...
matches any single character. It will not match return or newline characters. For example, the regular expression .ar means: any character, followed by the letter a, followed by the letter r. ".ar" => The car parked in the garage. Test the regular expression 2.2 Character Sets Character...
\ Escape character for special characters . Placeholder for any single character \d Placeholder for any single digit [] Definition of a value set for single characters [ - ] Definition of a range in a value set for single characters ? One or no single characters * Concatenation of any numbe...
Since searching and matching are so common, the Boost::Regex library has functions for both. The following code demonstrates both, using the preceding test strings as well as another, abc. #include <iostream>#include <boost/regex.hpp>using namespace std;void testMatch(const boost::regex &ex...
\s代替 [:space:] \d代替[:digit:] \l代替[:lower:] \u代替[:upper:] 对照元素(Collating elements)是集合声明中的通过 [.tagname.] 表示,此处 tagname 是单个字符或者是对照元素的名称。例如 [[.a.]] 相当于 [a] ,[[.comma.]] 相当于 [,] 。库支持所有标准POSIX的对照元素名称和下列额外的名称...
handle_multiple_spaces: substitute multiple spaces with a single space, perform segmentation, and recover the original spaces. segment_regexes: segment at either start or end index of the matched group defined by the regex patterns. prevent_regexes: a line is not segmented at characters that fall...