defcontains_character(string,character):returncharacterinstring# 示例text="我爱编程"char_to_check="爱"ifcontains_character(text,char_to_check):print(f"字符串包含汉字 '{char_to_check}'")else:print(f"字符串不包含汉字 '{char_to_check}'") 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 在这个...
text = "hello123" contains_digit = False for char in text: if char.isdigit(): contains_digit = True break if contains_digit: print("字符串中包含数字") else: print("字符串中不包含数字") ``` 5. 总结: 本文介绍了Python中检查字符串是否包含数字的多种方法,包括使用内置方法、正则表达式以及循...
Get Your Code:Click here to download the free sample codethat you’ll use to check if a string contains a substring. Take the Quiz:Test your knowledge with our interactive “How to Check if a Python String Contains a Substring” quiz. You’ll receive a score upon completion to help you...
In Python, you can use thefind()method to check if a string contains a specific word or substring. Thefind()method searches for a substring (word) within a string and returns the first occurrence’s index. If the substring is not found, it returns-1. ...
def check_string(string, char): if char in string: return True else: return False 上述代码定义了一个名为check_string的函数,接受两个参数:string表示待检查的字符串,char表示要检查的特定字符。函数内部使用in关键字来判断char是否在string中,如果存在则返回True,否则返回False。 这个方法可以用于检查一...
importstringdefis_punctuation(text):forcharintext:ifcharnotinstring.punctuationandchar!=' ':returnFalsereturnTruetext="Hello, world!"result=is_punctuation(text)ifresult:print("The text contains only punctuation.")else:print("The text does not contain only punctuation.") ...
Another way to check if a string contains a substring in Python is by using thefind()method. It returns the index of the first occurrence of the substring within the string. If the substring is not found, it returns -1. Here’s an example: ...
(old,new) # Replace text s.rfind(t) # Search for t from end of string s.rindex(t) # Search for t from end of string s.split([delim]) # Split string into list of substrings s.startswith(prefix) # Check if string starts with prefix s.strip() # Strip leading/trailing space s....
示例1: FixIt_Check_cpp11_Note ▲点赞 6▼ defFixIt_Check_cpp11_Note( results ):assert_that( results, has_entries( {'fixits': contains(# First note: put parens around ithas_entries( {'text':contains_string('parentheses around the assignment'),'chunks': contains( ...
print(contains_letters(sample_text)) # 输出: False 使用正则表达式 正则表达式是一个强大的字符串匹配工具,可以用来检查一个字符串是否含有字母。 import re def contains_letters(text): return bool(re.search(r'[a-zA-Z]', text)) # 示例