Escaping regex string
I want to use input from a user as a regex pattern for a search over some text. It works, but how I can handle cases where user puts characters that have meaning in regex?
regex
How to match a whole word with a regular expression?
I’m having trouble finding the correct regular expression for the scenario below:
How to use a variable inside a regular expression?
I’d like to use a variable inside a regex, how can I do this in Python?
Speed up millions of regex replacements in Python 3
I have two lists:
How to input a regex in string.replace?
I need some help on declaring a regex. My inputs are like the following:
How to correctly sort a string with a number inside?
I have a list of strings containing numbers and I cannot find a good way to sort them. For example I get something like this: something1 something12 something17 something2 something25 something29 with the sort() method. I know that I probably need to extract the numbers somehow and then sort the list but I have no … Read more
How to find overlapping matches with a regexp?
(?=...) matches if ... matches next, but doesn’t consume any of the
string. This is called a lookahead assertion. For example,
Isaac (?=Asimov) will match 'Isaac ' only if it’s followed by 'Asimov'.
How can I find all matches to a regular expression in Python?
In a program I’m writing I have Python use the re.search() function to find matches in a block of text and print the results. However, the program exits once it finds the first match in the block of text.
In Python, how do I split a string and keep the separators?
Here’s the simplest way to explain this. Here’s what I’m using:
Word boundary with words starting or ending with special characters gives unexpected results
Say I want to match the presence of the phrase Sortesindex[persons]{Sortes} in the phrase test Sortesindex[persons]{Sortes} text.