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Write a note on different string handling functions

Question

Write a note on different string handling functions

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Solution

Sure, here are some of the most commonly used string handling functions in many programming languages:

  1. length(): This function is used to find the length of a string. It counts the number of characters in a string including spaces.

  2. substring(): This function is used to extract a part of the string. We can specify the start and end index to extract.

  3. concat(): This function is used to concatenate two strings. It merges two strings into one.

  4. indexOf(): This function is used to find the index of a specific character or a substring in a string. It returns the index of the first occurrence of the specified character or substring.

  5. charAt(): This function is used to get the character at a specific index in a string.

  6. replace(): This function is used to replace a specific character or a substring in a string with another character or substring.

  7. toUpperCase() and toLowerCase(): These functions are used to convert a string to upper case and lower case respectively.

  8. trim(): This function is used to remove the leading and trailing spaces in a string.

  9. split(): This function is used to split a string into an array of substrings based on a specific delimiter.

  10. equals() and equalsIgnoreCase(): These functions are used to compare two strings. The equals() function is case sensitive and equalsIgnoreCase() is not.

Remember, the exact syntax and usage of these functions may vary slightly depending on the programming language you are using.

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