String Methods
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- In Python, string methods are built-in functions that can be applied tostring objects to perform various operations and manipulations on strings.
- Here’s an overview of some commonly used string methods in Python.
1. 'upper()' and 'lower()' :
- ‘upper()’ : Converts all characters in a string to uppercase.
- ‘lower()’ : Converts all characters in a string to lowercase.
2. 'capitalize()' :
- Converts the first character of a string to uppercase and all other characters to lowercase.
3. 'count(substring)' :
- Returns the number of occurrences of a substring within a string.
4. 'startswith(prefix)' and 'endswith(suffix)' :
- startswith(prefix): Checks if a string starts with a specified prefix.
- endswith(suffix): Checks if a string ends with a specified suffix.
5. 'replace(old, new)' :
- Replaces all occurrences of a specified substring with a new substring.
6. 'split(delimiter,maxsplit)' :
- Splits a string into a list of substrings based on a specified delimiter.
- Delimiter is the separator to divide the string into multiple part. By default any whitespace is a delimiter.
- Maxsplit specifies how many splits are to be done. By default it’s value is -1.
7. 'strip()', 'lstrip()', and 'rstrip()' :
- strip() : Removes leading and trailing whitespace characters from a string.
- lstrip() : Removes leading whitespace characters from a string in the left.
- rstrip() : Removes leading whitespace characters from a string in the right.
8. 'islower()' :
- Returns True if all characters in the string are lower case.
9. 'isdigit()' :
- Returns True if all characters in the string are digits.
10. 'find()' :
- This method in python searches the string for a specified value and returns the position of where it was found.
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