a1 <- "(?<=<)U\\+\\w+>(*SKIP)(*F)|(?<=\\S)(?=<U\\+\\w+>)|(?<=[[:alpha:]])(?=[[:punct:]])|(?<=[[:punct:]])(?=[[:alpha:]])"
gsub(a1, " ", "Jesus te ama!!! <U+2764> Ou não...?<U+1F628> (fé em stand by)", perl=TRUE)
# "Jesus te ama !!! <U+2764> Ou não ...? <U+1F628> ( fé em stand by )"
# "Jesus te ama !!! <U+2764> Ou não ...? <U+1F628> ( fé em stand by )"
YTEgIDwtICIoPzw9PClVXFwrXFx3Kz4oKlNLSVApKCpGKXwoPzw9XFxTKSg/PTxVXFwrXFx3Kz4pfCg/PD1bWzphbHBoYTpdXSkoPz1bWzpwdW5jdDpdXSl8KD88PVtbOnB1bmN0Ol1dKSg/PVtbOmFscGhhOl1dKSIKZ3N1YihhMSwgIiAiLCAiSmVzdXMgdGUgYW1hISEhIDxVKzI3NjQ+ICBPdSBuw6NvLi4uPzxVKzFGNjI4PiAoZsOpIGVtIHN0YW5kIGJ5KSIsIHBlcmw9VFJVRSkKIyAiSmVzdXMgdGUgYW1hICEhISA8VSsyNzY0PiAgT3UgbsOjbyAuLi4/IDxVKzFGNjI4PiAoIGbDqSBlbSBzdGFuZCBieSApIgojICJKZXN1cyB0ZSBhbWEgISEhIDxVKzI3NjQ+ICBPdSBuw6NvIC4uLj8gPFUrMUY2Mjg+ICggZsOpIGVtIHN0YW5kIGJ5ICki