Error cannot use a string pattern on a bytes like object
This depends on the encoding that you are using UTF 8 is the most common these days The matched group will be a string Search with bytes by adding a b prefix to the regular expression A regular expression should also use the r prefix so it becomes re search br Profile s s output The matched group will be a bytes object
Re Regular expression operations Python 3 12 1 documentation, This module provides regular expression matching operations similar to those found in Perl Both patterns and strings to be searched can be Unicode strings str as well as 8 bit strings bytes However Unicode strings and 8 bit strings cannot be mixed that is you cannot match a Unicode string with a bytes pattern or vice versa similarly when asking for a substitution the replacement
Cannot use a string pattern on a bytes like object in Python
The bytes decode method returns a string decoded from the given bytes The default encoding is utf 8 Now we used a string pattern to find a match in a string which is allowed Using a bytes pattern on a bytes like object Alternatively you can use a bytes pattern on a bytes like object
Python TypeError cannot use a string pattern on a bytes like object , TypeError cannot use a string pattern on a bytes like object Bytes objects contain a sequence of single bytes They are immutable like strings which means they cannot be changed A bytes object is typically returned when you read a binary file or when you use a library like re to retrieve data from a website
Python Regex findall Function By Practical Examples
Python Regex findall Function By Practical Examples, 1 Using the Python regex findall to get a list of matched strings The following example uses the findall function to get a list of color names that start with the literal string bl import re s black blue and brown pattern r bl w matches re findall pattern s print matches Code language Python python Output black
Python TypeError Cannot Use A String Pattern On A Bytes like Object
Python Regex Find All Matches findall finditer PYnative
Python Regex Find All Matches findall finditer PYnative The re finditer works exactly the same as the re findall method except it returns an iterator yielding match objects matching the regex pattern in a string instead of a list It scans the string from left to right and matches are returned in the iterator form Later we can use this iterator object to extract all matches
Fix TypeError Cannot Use A String Pattern On A Bytes like Object
We can either change the string to a bytes like object or change the bytes like object into a string Lets begin by converting the string into a bytes like object You can use the previous example code but change the match definition to the following line How To Fix the Python Error Cannot Use a String Pattern on a Bytes . It returns a list of strings in the matching order when scanning the string from left to right Specification re findall pattern string flags 0 The re findall method has up to three arguments pattern the regular expression pattern that you want to match string the string which you want to search for the pattern Import re my int 100 TypeError expected string or bytes like object result re sub r 0 9 my int third arg must be str We passed an integer as the third argument to the re sub method but the method expects a string argument
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