python regular expression space
The [^-S] is a negated character class that is equal to -s (whitespace pattern). The *? is a lazy quantifier that matches zero or more characters, ..., This regex is a bit more robust than the one in the other answer because it explicitly anchors at "Appendix": pattern = '(?:-d*[-t ]+)?,import re test = "this matches" match = re.match('(-w+-s-w+)', test) print match.groups(). returns ('this matches',). , -t is not equivalent to -s+ , but -s+ should match a tab ( -t ). The problem in your example is that the second pattern -s-s+ is looking for two or more ..., A single space can be matched by using a single space, the same way you'd match any other character that isn't a metacharacter: "r'-w+? ..., -s*$ is incorrect: this matches "zero or more spaces followed by the end of the string", rather than "one or more spaces or the end of the string"., Just create a regex with a space character. The space character does not have any special meaning, it just means "match a space". The [^-S] matches any char that is not a non-whitespace = any char that is whitespace.,This module provides regular expression matching operations similar to ..... be used first in the expression string, or after one or more whitespace characters. ,For example, the regular expression test will match the string test exactly. ... Matches any non-whitespace character; this is equivalent to the class [^ -t-n-r-f-v] . -w. , The following code matches whitespaces in the given string.import re result = re.search(r'[-s]', 'The Indian Express') print resultoutput<_sre.
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 python regular expression space 相關參考資料
Regular expression for matching non-whitespace in Python - Stack ...
The [^-S] is a negated character class that is equal to -s (whitespace pattern). The *? is a lazy quantifier that matches zero or more characters, ... https://stackoverflow.com Python Regular Expression to match space but not newline - Stack ...
This regex is a bit more robust than the one in the other answer because it explicitly anchors at "Appendix": pattern = '(?:-d*[-t ]+)? https://stackoverflow.com how to match whitespace and alphanumeric characters in python ...
import re test = "this matches" match = re.match('(-w+-s-w+)', test) print match.groups(). returns ('this matches',). https://stackoverflow.com whitespace in regular expression - Stack Overflow
-t is not equivalent to -s+ , but -s+ should match a tab ( -t ). The problem in your example is that the second pattern -s-s+ is looking for two or more ... https://stackoverflow.com Spaces in Python Regular Expressions - Stack Overflow
A single space can be matched by using a single space, the same way you'd match any other character that isn't a metacharacter: "r'-w+? ... https://stackoverflow.com python regex: to match space character or end of string - Stack ...
-s*$ is incorrect: this matches "zero or more spaces followed by the end of the string", rather than "one or more spaces or the end of the string". https://stackoverflow.com Python regex match space only - Stack Overflow
Just create a regex with a space character. The space character does not have any special meaning, it just means "match a space". The [^-S] matches any char that is not a non-whitespace = a... https://stackoverflow.com 7.2. re — Regular expression operations — Python 2.7.17 ...
This module provides regular expression matching operations similar to ..... be used first in the expression string, or after one or more whitespace characters. https://docs.python.org Regular Expression HOWTO — Python 3.8.0 documentation
For example, the regular expression test will match the string test exactly. ... Matches any non-whitespace character; this is equivalent to the class [^ -t-n-r-f-v] . -w. https://docs.python.org How to match a whitespace in python using Regular ...
The following code matches whitespaces in the given string.import re result = re.search(r'[-s]', 'The Indian Express') print resultoutput<_sre. https://www.tutorialspoint.com |