find()函数会返回子串在字符串中的起始位置,如果找不到则返回-1。 4. 完整代码示例 下面是完整的代码示例: deffind_case_insensitive(string,substring):string_lower=string.lower()substring_lower=substring.lower()index=string_lower.find(substring_lower)returnindex# 调用示例string="Hello World"substring="WO...
1. match(pattern, string, flags=0) 从字符串的开头进行匹配, 匹配成功就返回一个匹配对象,匹配失败就返回None flags的几种值 X 忽略空格和注释 I 忽略大小写的区别 case-insensitive matching S . 匹配任意字符,包括新行 def match(pattern, string, flags=0):"""Try to apply the pattern at the start...
1. match(pattern, string, flags=0) 从字符串的开头进行匹配, 匹配成功就返回一个匹配对象,匹配失败就返回None flags的几种值 X 忽略空格和注释 I 忽略大小写的区别 case-insensitive matching S . 匹配任意字符,包括新行 match(pattern, string, flags=0) 2. search(pattern, string, flags=0) 浏览整个字...
To split a string into a list or join a list into a string: s = "split,this,string" words = s.split(",") # Split string into list joined = " ".join(words) # Join list into string print(words) print(joined) 8. String Methods — replace To replace parts of a string with anot...
In [13]: string_data[0] = None In [14]: string_data.isnull() Out[14]: 0 True 1 False 2 True 3 False dtype: bool 1. 2. 3. 4. 5. 6. 7. 8. pandas项⽬中还在不断优化内部细节以更好处理缺失数据,像⽤户API功能,例如pandas.isnull,去除了许多恼⼈的细节。 表7-1列出了⼀些...
# 需要导入模块: from PyQt5.QtCore import Qt [as 别名]# 或者: from PyQt5.QtCore.Qt importCaseInsensitive[as 别名]def_on_user_find_success(self, job):users = job.ret completer = QCompleter(users) completer.setCaseSensitivity(Qt.CaseInsensitive) ...
在下文中一共展示了CaseInsensitiveDict.__str__方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。 示例1: CommandResponseStatus ▲点赞 9▼ # 需要导入模块: from requests.structures import CaseInsensitiveDict [as 别...
defcase_insensitive_replace(string,old,new):""" Performs acase-insensitive replacement on a string.Args:string:The string to searchin.old:The string to replace.new:The string to replace oldwith.""" new_string=string.lower().replace(old.lower(),new)returnnew_stringif__name__=="__main__...
Using the "find()" Method Using the String Contains "__contains__()" Using the “count” Method Using The String.index() Method Using Regular Expressions (REGEX) Search Substring in String with Non-Case Sensitive or Case Insensitive
To do a case-insensitive comparison, you can convert a string to all lowercase letters by using the .lower() method:Python Copy print("The Moon And The Earth".lower()) Output: the moon and the earthSimilar to the .lower() method, strings have an .upper...