White Spaces Between Lower and Uppercase Letters

Published by Matt in
formattingregexstrings

Write a function that inserts a white space between every instance of a lower character followed immediately by an upper character.

Examples

insertWhitespace("SheWalksToTheBeach") ➞ "She Walks To The Beach"

insertWhitespace("MarvinTalksTooMuch") ➞ "Marvin Talks Too Much"

insertWhitespace("TheGreatestUpsetInHistory") ➞ "The Greatest Upset In History"

Notes

Each word in the phrase will be at least two characters long.

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