Groovy code for parsing emails from a string

parseEmail.groovy

def parseEmailsFromString(String emails) {
        //adapted from http://www.regular-expressions.info/email.html
        return emails?.findAll(/(?i)\b[A-Z0-9._%+-]+@(?:[A-Z0-9-]+\.)+[A-Z]{2,4}\b/)
}


//And a simple test:

void testParseEmailAddressFromString() {
	String email1 = 'john@unittest.com'
	String email2 = 'jane@unittest.com'

	def emails = service.parseEmailsFromString("${email1}, ${email2}")
	assertEquals(2, emails.size())
	assertTrue emails.contains(email1)
	assertTrue emails.contains(email2)

	// multi line emails
	emails = service.parseEmailsFromString("""
	${email1},
	${email2}
	""")
	assertEquals(2, emails.size())
	assertTrue emails.contains(email1)
	assertTrue emails.contains(email2)
}