python - Split a string at uppercase letters

Python - Split a string at uppercase letters

To split a string at uppercase letters, you can use regular expressions with the re module in Python. Here's an example:

import re def split_string_at_uppercase(input_string): # Use regular expression to split at uppercase letters result = re.findall('[A-Z][^A-Z]*', input_string) return result # Example usage: my_string = "SplitThisStringAtUppercase" result = split_string_at_uppercase(my_string) print("Original String:", my_string) print("Split Result:", result)

In this example, the re.findall function is used with the regular expression [A-Z][^A-Z]*, which matches an uppercase letter followed by zero or more non-uppercase letters. This effectively splits the string at each uppercase letter.

Adjust the input_string as needed for your specific case. The result will be a list of substrings after splitting at uppercase letters.

Examples

  1. "Python split string at uppercase letters"

    import re input_string = "SplitThisString" substrings = re.findall('[A-Z][^A-Z]*', input_string)

    Description: Uses regular expression to split the string at uppercase letters, capturing each substring.

  2. "Python split camelCase string at uppercase letters"

    import re input_string = "camelCaseString" substrings = re.findall('[a-z]+|[A-Z][a-z]*', input_string)

    Description: Splits a camelCase string at uppercase letters, capturing camelCase words as separate substrings.

  3. "Python split string at uppercase letters using itertools"

    from itertools import groupby input_string = "SplitThisString" substrings = [''.join(g) for k, g in groupby(input_string, key=str.isupper) if not k]

    Description: Uses groupby from itertools to split the string at uppercase letters.

  4. "Python split string at uppercase letters with space"

    import re input_string = "SplitThisString" substrings = re.sub(r'([A-Z])', r' \1', input_string).split()

    Description: Inserts a space before each uppercase letter and then splits the string using spaces.

  5. "Python split string at uppercase letters and keep delimiter"

    import re input_string = "SplitThisString" substrings = re.split('([A-Z])', input_string)[1::2]

    Description: Uses re.split to split the string at uppercase letters and keeps the uppercase letters as delimiters.

  6. "Python split string at uppercase letters with custom separator"

    import re input_string = "SplitThisString" separator = '-' substrings = re.sub(r'([A-Z])', separator + r'\1', input_string).split(separator)

    Description: Inserts a custom separator before each uppercase letter and then splits the string using the custom separator.

  7. "Python split string at uppercase letters and lowercase words"

    import re input_string = "SplitThisString" substrings = re.findall('[A-Z][^A-Z]*|[a-z]+', input_string)

    Description: Splits the string at uppercase letters and captures both uppercase words and lowercase words.

  8. "Python split string at uppercase letters preserving case"

    import re input_string = "SplitThisString" substrings = re.split('(?<=[a-z])(?=[A-Z])', input_string)

    Description: Uses positive lookbehind and lookahead to split the string at the boundary between lowercase and uppercase letters, preserving case.

  9. "Python split string at uppercase letters with index"

    input_string = "SplitThisString" indices = [i for i, char in enumerate(input_string) if char.isupper()] substrings = [input_string[i:j] for i, j in zip([0] + indices, indices + [None])]

    Description: Uses the indices of uppercase letters to split the string into substrings.

  10. "Python split string at uppercase letters and remove empty strings"

    import re input_string = "SplitThisString" substrings = [s for s in re.split('([A-Z])', input_string) if s]

    Description: Splits the string at uppercase letters and removes empty strings from the result.

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