github.com/jshiv/can-go@v0.2.1-0.20210224011015-069e90e90bdf/internal/identifiers/char.go (about) 1 package identifiers 2 3 func IsAlphaChar(r rune) bool { 4 return ('A' <= r && r <= 'Z') || ('a' <= r && r <= 'z') 5 } 6 7 func IsNumChar(r rune) bool { 8 return '0' <= r && r <= '9' 9 }