import re txt = "hello world" #Check if the string ends with 'world': x = re.findall("world$", txt) if x: print("Yes, the string ends with 'world'") else: print("No match") #Check if the string ends with '4': y = re.findall('4$', txt) if y: print("Yes") else...
Console.WriteLine("string1={0}",string1); Console.WriteLine("string1的长度为{0}",string1.Length); string string2="I Love C#";//声明一个名称为string2的字符串并且赋值为"I Love C#" Console.WriteLine("string2={0}",string2); Console.WriteLine("string2的长度为{0}",string2.Length); } ...
4:StartsWith() 5:EndsWith() 6:IndexOf() 7:LastIndexOf() 对于上面的这些方法在下面的范例中可以看出其各自的用法。请看范例 using System; namespace ConsoleApplication1 { class Class1 { static void Main(string[] args) { string str1="I Love C#"; string str2="I Love c#"; string str3=...
DoesNotMatch 方法 (String, Regex, String, Object[]) EndsWith 方法 Matches 方法 StartsWith 方法 VB 使用英语阅读添加 打印 TwitterLinkedInFacebook电子邮件 项目 2011/08/12 本文内容 语法 异常 备注 .NET Framework 安全性 请参见 验证指定的字符串是否与正则表达式不匹配。 断言失败时将显示一则消息,并...
given the string{{}}}assert that regexdoesnotmatch given the string{[a.v.b]}assert that regexdoesnotmatch given the string{a.b.c}assert that regex does match given the stringa.b.c,d.e.fassert that regexdoesnotmatch given the string{a.b.c,d.e.f}assert that regex does match...
import re # 定义正则表达式 pattern = r'.*1$' # 测试字符串 test_strings = [ "Line ends with 1", "Another line ending in 1", "This line does not end with 1", "1 is the last character" ] # 遍历测试字符串并打印匹配结果 for string in test_strings: if re.match(pattern, string)...
In this case, dollar changes from matching at only the last the entire string to the last of any line within the string. DescriptionMatching Pattern The line ends with a number “\\d$” or “[0-9]$” The line ends with a character “[a-z]$” or “[A-Z]$” The line ends ...
{0}",string.Compare(str1,7,str2,7,2,true)); Console.WriteLine("str1 是否以字符’I’开头-->{0}",str1.StartsWith("I")); Console.WriteLine("str1 是否以字符’i’开头-->{0}",str1.StartsWith("i")); Console.WriteLine("str2 是否以 c# 结尾-->{0}",str2.EndsWith("c#")); ...
找不到就返回-1 4 public int lastIndexOf(String str) 普通 从后向前查找指定字符串,找不到返回-1 5 public...startsWith()方法、endsWith()方法在开发中比较实用。...6、字符串替换将指定字符串替换为其他内容,如下方法:序号 方法名称 类型 描述 1 public String replaceAll(String regex,String replacemen...
Search the string to see if it starts with "The" and ends with "Spain": importre txt ="The rain in Spain" x = re.search("^The.*Spain$", txt) Try it Yourself » RegEx Functions Theremodule offers a set of functions that allows us to search a string for a match: ...