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In order to replace text using regular expression use the re.sub function: sub (pattern, repl, string [, count, flags]) It will replace non-everlaping instances of pattern by the text passed as string.
19 Ιουλ 2021 · Python's regex offers sub() the subn() methods to search and replace occurrences of a regex pattern in the string with a substitute string.
In Python, to replace using a regular expression, you can use re.sub () function. re.sub () replaces all the substrings in the input_string that match the specified pattern with the replacement string.
To perform a substitution using a regular expression, use re.sub() v2|v3. For example: import re line = re.sub( r"(?i)^.*interfaceOpDataFile.*$", "interfaceOpDataFile %s" % fileIn, line )
2 ημέρες πριν · A regular expression (or RE) specifies a set of strings that matches it; the functions in this module let you check if a particular string matches a given regular expression (or if a given regular expression matches a particular string, which comes down to the same thing).
re.sub () function replaces one or many matches with a string in the given text. The search and replacement happens from left to right. In this tutorial, we will learn how to use re.sub () function with the help of example programs.
15 Αυγ 2023 · In Python, you can replace strings using the replace() and translate() methods, or the regular expression functions, re.sub() and re.subn(). You can also replace substrings at specified positions using slicing.
