Python | Ways to split strings on Uppercase characters
Given a string, write a Python program to split strings on Uppercase characters. Let’s discuss a few methods to solve the problem.
Method #1: Using re.findall() method
# Python code to demonstrate # to split strings # on uppercase letter import re # Initialising string ini_str = 'GeeksForGeeks' # Printing Initial string print ("Initial String", ini_str) # Splitting on UpperCase using re res_list = [] res_list = re.findall('[A-Z][^A-Z]*', ini_str) # Printing result print("Resultant prefix", str(res_list)) |
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Output:
Initial String GeeksForGeeks Resultant prefix ['Geeks', 'For', 'Geeks']
Method #2: Using re.split()
# Python code to demonstrate # to split strings # on uppercase letter import re # Initialising string ini_str = 'GeeksForGeeks' # Printing Initial string print ("Initial String", ini_str) # Splitting on UpperCase using re res_list = [s for s in re.split("([A-Z][^A-Z]*)", ini_str) if s] # Printing result print("Resultant prefix", str(res_list)) |
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Output:
Initial String GeeksForGeeks Resultant prefix ['Geeks', 'For', 'Geeks']
Method #3: Using enumerate
# Python code to demonstrate # to split strings # on uppercase letter # Initialising string ini_str = 'GeeksForGeeks' # Printing Initial string print ("Initial String", ini_str) # Splitting on UpperCase using re res_pos = [i for i, e in enumerate(ini_str+'A') if e.isupper()] res_list = [ini_str[res_pos[j]:res_pos[j + 1]] for j in range(len(res_pos)-1)] # Printing result print("Resultant prefix", str(res_list)) |
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Output:
Initial String GeeksForGeeks Resultant prefix ['Geeks', 'For', 'Geeks']
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