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Both option B and C can be used to remove spaces from the input text. However, the difference between them is that remove(ri!text, " ") removes all occurrences of the specified character (in this case, the space character) from the input text, while stripwith(ri!text, " ") removes only leading and trailing occurrences of the specified character. Therefore, in the case where you want to remove all spaces from the input text, option B (remove(ri!text, " ")) is better.
remove() is used for removing a value from an array by providing the index as one its parameter
Stripwith() removes all the characters in the input which is specified to removed
trim() removes the leading and trailing spaces
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