python正则匹配以/begin CHARACTERISTIC开头以/end CHARACTERISTIC结尾的字符串
时间: 2024-10-04 19:01:31 浏览: 16
在Python中,你可以使用re模块(Regular Expression库)来进行正则表达式匹配。如果你想匹配以`begin CHARACTERISTIC`开头并以`end CHARACTERISTIC`结尾的字符串,可以创建一个模式,并使用`re.match()`或`re.search()`函数来查找符合条件的字符串。以下是一个示例:
```python
import re
def match_string(text, characteristic):
pattern = r"^begin " + characteristic + r".*end " + characteristic + "$"
if re.match(pattern, text):
return True
else:
return False
# 示例用法
characteristic = "exampleCharacteristic"
test_string1 = "begin exampleCharacteristic this is a test end exampleCharacteristic"
test_string2 = "begin differentCharacteristic not matching end exampleCharacteristic"
print(match_string(test_string1, characteristic)) # 输出: True
print(match_string(test_string2, characteristic))
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