How to use REGEX to capitalise the first letter of each word in a sentence?

I would like to use regular expressions (REGEX) to capitalise the first letter of each word in a sentence.

I have achieved the same result in programming languages, but it seems that using regular expressions would be more concise.

4

1 Answer

Example using sed command.

~$ echo "foo bar" | sed 's/^\(.\)/\U\1/'

Where:

• the ^ represents the start of a line.
• . matches any character.
• \U converts to uppercase.
• \( ... \) specifies a section to be referenced later (as \1 in this case).

3

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