I have a string that looks like that “—-.——-.—–.—“. Here —- is any substring of random length, . is the separator and the string can have a predetermined number of separator that I can dynamically change. How can I use regex to validate that a string new_s…
Tag: string
Finding string with multiple condition between two data frame in python
I have two dataframe df1 and df2. df1 has 4 columns. I want to add a new column Count in df2 in such a way that for every row in df2 if any string from Intersection or Roadway column exists in overall df1 data frame even once or more, the count column will have a value of 1. For example
Given array of string contain X number of words return the same word for a given day [closed]
Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 6 months ago. Improve this question Background My Objective is I am basically trying to create an end point w…
Apply string in list according to beginning of the strings in a pandas dataframe column
Let’s take an example. I have a list of categories that are identified : The strings in that list can’t be a substring of another string in that list. And a dataframe : I would like to add a column Category to this dataframe. If the string in the column Items starts as a string in L_known_categori…
occurrence of specific character in multiple strings
The multiple strings that needed to be searched are stored in a file values.txt (the Input File) which for example contains information as follows: I’m trying to count the occurrence of V in every line for index[x], x being the position of a character in every line. For example, there are 10 “V…
string to complex matrix representation in python
I have the following example string: s =”1 1+in1-i 0″ Now I have to turn this string into a complex matrix. I am aware of the np.matrix() function but it is not designed for a complex matrix. Maybe some of you can provide me some ideas of how I can go forward. I also tried to split at n but
Create patterns to detect the occurrence of sequences so that you can restrict in which cases to replace the detected substrings in the input string
These are the input string examples: I have tried with a simple replacement, but I think that the cases must be further restricted with a regex pattern so that unwanted replacements are not made… , and to be able to obtain this string as output… the correct output for each of these examples: In th…
Print all possible combination of words of length 10 from a list letters with repeating ‘A’ exactly twice
I have a list of 5 letters [‘A’, ‘B’, ‘N’, ‘M’,’E’]. I want to print all the words (word means a sequence of letters, it doesn’t have to be a valid English word) of length 10 letters that have exactly two letters A. Order is important. I have t…
How can we print a list of ASCII characters to the console, except forthose characters which have an escape sequence?
For any ascii characters ch, I would like to print ch unless repr(ch) begins with a back-slash character. I want to print a list of all of the “nice” ascii characters. Failed Attempt The console print-out is: I seem to have printed a lot of weird unicode characters, such as ç and õ Answer As sj951…
I want to find the first, second, and last words in a string
Given a string, I want to write 3 separate functions: first_word is to print the first word of the string second_word is to print the second word of the string last_word is to print the last word of the string If the string has 2 words in total, the output from function 2 should be equal to function 3. Exampl…