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Python: Separate and print the numbers of a given string

Python Regular Expression: Exercise-27 with Solution

Write a Python program to separate and print the numbers of a given string.

Sample Solution:-

Python Code:

import re
# Sample string.
text = "Ten 10, Twenty 20, Thirty 30"
result = re.split("\D+", text)
# Print results.
for element in result:
    print(element)

Sample Output: 

10                                                                                                            
20                                                                                                            
30

Pictorial Presentation:

Python: Regular Expression - Separate and print the numbers of a given string.

Flowchart:

Flowchart: Regular Expression - Separate and print the numbers of a given string.

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Previous: Write a Python program to match if two words from a list of words starting with letter 'P'.
Next: Write a Python program to find all words starting with 'a' or 'e' in a given string.

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Python: Tips of the Day

Find current directory and file's directory:

To get the full path to the directory a Python file is contained in, write this in that file:

import os 
dir_path = os.path.dirname(os.path.realpath(__file__))

(Note that the incantation above won't work if you've already used os.chdir() to change your current working directory, since the value of the __file__ constant is relative to the current working directory and is not changed by an os.chdir() call.)

To get the current working directory use

import os
cwd = os.getcwd()

Documentation references for the modules, constants and functions used above:

  • The os and os.path modules.
  • The __file__ constant
  • os.path.realpath(path) (returns "the canonical path of the specified filename, eliminating any symbolic links encountered in the path")
  • os.path.dirname(path) (returns "the directory name of pathname path")
  • os.getcwd() (returns "a string representing the current working directory")
  • os.chdir(path) ("change the current working directory to path")

Ref: https://bit.ly/3fy0R6m