The easiest way to extract numbers from a Python string s is to use the expression re.findall(‘\d+’, s). For example, re.findall(‘\d+’, ‘hi 100 alice 18 old 42’) yields the list of strings [‘100′, ’18’, ’42’] that you can then convert to numbers using int() or float(). There are some tricks and alternatives, so keep reading … Read more
Problem Formulation Given a string – sentence. How many words does the string sentence have within it? Examples: INPUT sentence = “Finxter helps you to master Python.” OUTPUT Number of words: 6 INPUT sentence = “””Lorem ipsum dolor sit amet. Consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.””” OUTPUT … Read more
Lazy as I am, I name all temporary code files code.py when I try something in Python. Today, once again, I needed to find one of my code.py files because of a code snippet I was interested in. Being a Python enthusiast, I wondered: 👉 How can I find all files that match a certain … Read more
✨Summary: There are four different ways to split a text into sentences:🚀 Using nltk module🚀 Using re.split()🚀 Using re.findall() 🚀 Using replace Minimal Example Problem Formulation Problem: Given a string/text containing numerous sentences; How will you split the string into sentences? Example: Let’s visualize the problem with the help of an example. Method 1: Using … Read more
Summary: The different methods to split a string using regex are: Minimal Example Problem Formulation 📜Problem: Given a string and a delimiter. How will you split the string using the given delimiter using different functions from the regular expressions library? Example: In the following example, the given string has to be split using a hyphen … Read more
🍎Summary: You can split a string at parenthesis using re.split(r'[()]’, text) in a list comprehension accordingly. Minimal Example Problem Formulation 📜Problem: Given a string. How will you split the string at parenthesis and spaces? Example In the above problem, you have been given a string separated by spaces and there are certain strings that are … Read more
⭐Summary: Use “given string”.split(‘ ‘) to split the given string by space and store each word as an individual item in a list. Some other ways to split using space include using a list comprehension and the regex library. Minimal Example Problem Formulation 📜Problem: Given a string, how will you split the string into a … Read more
⭐Summary: The most efficient way to split a string at carriage return (“\r”) is to use the split function like so given_string.split(). An alternate approach is to use different functions of the regex package to split the string at multiple whitespaces. Minimal Example Problem Formulation 📜Problem: Given a string. How will you split the string at carriage return? … Read more
🍎Summary: The most efficient way to split a string using multiple whitespaces is to use the split function like so given_string.split(). An alternate approach is to use different functions of the regex package to split the string at multiple whitespaces. Minimal Example: Problem Formulation 📜Problem: Given a string. How will you split the string using … Read more
To split a string by a number, use the regex split method using the “\d” pattern.
Summary: Use one of the following ways to split a string to get an element from a string: Minimal Example Problem Formulation Example Challenge: Extract certain substrings from the given string and then combine the extracted substrings with a “/” in between to create a new string. Thus, you first have to split the string … Read more
⭐Summary: To split a string and keep the delimiters/separators, you can use one of the following methods: (i) Using the regex package and its functions. (ii) Using a list comprehension. Minimal Example Problem Formulation Problem: Given a string in Python. How to split the string and also keep the spaces? Example Consider that there’s a … Read more