Thus, the Python interpreter escapes it automatically by itself when printing it on the shell. This is because the backslash character has a special meaning in normal strings. You can see that the resulting matches have escaped backslashes themselves.
The backslash has a special meaning in Python regular expressions: it escapes special characters and, thus, removes the special meaning.
#Regex escape how to#
How to escape the slash characters-backslash \ and forward-slash /-in Python regular expressions? Python Regex Escape Slash (Backslash and Forward-Slash) How to escape the curly braces ')Īll three cases match the same string enclosed in curly braces-even though we did not escape them and didn’t use the raw string r'' in the third example. Python Regex Escape Curly Brace (Brackets) The result shows a string that contains the “special” characters ''. This way, you can match the brackets characters in a given string. You can get rid of the special meaning of brackets by using the backslash prefix: \. Square brackets have a special meaning in Python regular expressions: they open and close character sets. How to escape the square brackets in Python regular expressions? The result shows a string that contains the “special” characters '(' and ')'. This way, you can match the parentheses characters in a given string. You can get rid of the special meaning of parentheses by using the backslash prefix: \( and \). Parentheses have a special meaning in Python regular expressions: they open and close matching groups. How to escape the parentheses ( and ) in Python regular expressions? In the following, I show how to escape all possible special characters for Python strings and regular expressions: Python Regex Escape Parentheses () The general idea is to escape the special character x with an additional backslash \x to get rid of the special meaning. If you use special characters in strings, they carry a special meaning.
#Regex escape code#
Related article: Python Regex Superpower – The Ultimate Guideĭo you want to master the regex superpower? Check out my new book The Smartest Way to Learn Regular Expressions in Python with the innovative 3-step approach for active learning: (1) study a book chapter, (2) solve a code puzzle, and (3) watch an educational chapter video. Note that “only characters that can have special meaning in a regular expression are escaped. Therefore, all special symbols are replaced. ' The dot symbol has a special meaning in the string ''. If you know that your string has a lot of special characters, you can also use the convenience method re.escape(pattern) from Python’s re module.ĭefinition: escapes all special regex meta characters in the given pattern.Įxample: you can escape all special symbols in one go: > re.escape('')
Python Regex Escape String Single Quotes.Python Regex Escape Slash (Backslash and Forward-Slash).Python Regex Escape Curly Brace (Brackets).These all go inside the for character classes, : space characters (basically equivalent to.
There are a number of pre-built classes that you can use inside : matches every character between a and z (in.You can also create your own character classes using
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