[0-9]"; String E4 = "\\s";//空格 int countChinese...:"+countChinese); System.out.println("输入的字母个数:"+countLetter); System.out.println("输入的数字个数:"+countNumber...); System.out.println("输入的空格个数:"+countSpace); System.out.println("输入的其它字符个数:...
它會將相符字的上半部傳遞至 ReverseLetter 方法,接著會使用 Replace(String, String, String, RegexOptions) 方法來反轉相符字串中的 「i」 和「e」。 其餘單字保持不變。 C# 複製 執行 using System; using System.Text.RegularExpressions; public class Example { public static void Main() { string ...
using System; using System.Collections; using System.Text.RegularExpressions; public class Example { public static void Main() { string words = "letter alphabetical missing lack release " + "penchant slack acryllic laundry cease"; string pattern = @"\w+ # Matches all the characters in a word...
Dim keys(arraySize) As Double Dim letters(arraySize) As Char ' Instantiate random number generator Dim rnd As New Random() For ctr As Integer = 0 To match.Value.Length - 1 ' Populate the array of keys with random numbers. keys(ctr) = rnd.NextDouble() ' Assign letter to array of...
The following example defines a regular expression that matches words beginning with the letter "a". It uses theRegexOptions.IgnoreCaseoption to ensure that the regular expression locates words beginning with both an uppercase "a" and a lowercase "a". ...
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 sets are also called ...
它會將相符字的上半部傳遞至 ReverseLetter 方法,接著會使用 Replace(String, String, String, RegexOptions) 方法來反轉相符字串中的 「i」 和「e」。 其餘單字保持不變。 C# 複製 執行 using System; using System.Text.RegularExpressions; public class Example { public static void Main() { string ...
它将匹配单词的前半部分传递给 ReverseLetter 方法,该方法反过来又使用 Replace(String, String, String, RegexOptions) 方法来反转匹配字符串中的“i”和“e”。 其余单词保持不变。 C# 复制 运行 using System; using System.Text.RegularExpressions; public class Example { public static void Main() { ...
using System; using System.Collections; using System.Text.RegularExpressions; public class Example { public static void Main() { string words = "letter alphabetical missing lack release " + "penchant slack acryllic laundry cease"; string pattern = @"\w+ # Matches all the characters in a word...
The following example defines a regular expression that matches words beginning with the letter "a". It uses the RegexOptions.IgnoreCase option to ensure that the regular expression locates words beginning with both an uppercase "a" and a lowercase "a". C# Copy Run using System; using System...