python2.7 正则表达式中的连字符
hyphen in python2.7 regular expression
pattern = u'''[%-<]'''
txt = '12 of 15 people run into the room'
result = re.sub(pattern, ' ', txt)
>> ' of people run into the room'
正则表达式怎么匹配到数字?
编辑:
创建的范围是
这是由于字符 class 中间的 未转义连字符 作为范围而发生的。
如果您将连字符放在最后或第一个位置,则它表现良好:
>>> pattern = ur'[%<-]'
>>> print re.sub(pattern, ' ', txt)
12 of 15 people run into the room
或使用转义连字符:
>>> pattern = ur'[%\-<]'
>>> print re.sub(pattern, ' ', txt)
12 of 15 people run into the room
pattern = u'''[%-<]'''
txt = '12 of 15 people run into the room'
result = re.sub(pattern, ' ', txt)
>> ' of people run into the room'
正则表达式怎么匹配到数字?
编辑:
创建的范围是
这是由于字符 class 中间的 未转义连字符 作为范围而发生的。
如果您将连字符放在最后或第一个位置,则它表现良好:
>>> pattern = ur'[%<-]'
>>> print re.sub(pattern, ' ', txt)
12 of 15 people run into the room
或使用转义连字符:
>>> pattern = ur'[%\-<]'
>>> print re.sub(pattern, ' ', txt)
12 of 15 people run into the room