Extract three capital letters from a string with RegEx and compare them to a list

Extract three capital letters from a string with RegEx and compare them to a list

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\s([A-Z]{3})(\s|$)

This RegEx code will find all groups of exactly three uppercase letters in the string that are either preceded and followed by one or more spaces, or are at the end of the string. It will match 'IBM' even though it is at the end of the string without a trailing space.

External resources

• Palladian: Regex Extractor
• Regex Substring (anotherfrauduser)
• forum entry
• HUB: Extract three capital letters from a string with RegEx and compare them to a list
• forum: extract a substring with RegEx