串连串python没有空间
代码示例
加空间之前和之后的字符串蟒蛇
using re adds white-space before and after the desired characters:
import re
pat = re.compile(r"([.()!])")
print (pat.sub(" \\1 ", string))
# hello . . . ( world ) ! 串没有空间pythonm
import re
string = ' Hello World From Pankaj \t\n\r\tHi There '
print('Remove all spaces using RegEx:\n', re.sub(r"\s+", "", string), sep='') # \s matches all white spaces
print()
print('Remove leading spaces using RegEx:\n', re.sub(r"^\s+", "", string), sep='') # ^ matches start
print()
print('Remove trailing spaces using RegEx:\n', re.sub(r"\s+$", "", string), sep='') # $ matches end
print()
print('Remove leading and trailing spaces using RegEx:\n', re.sub(r"^\s+|\s+$", "", string), sep='') # | for OR condition
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