forked from b3log/pipe
/
runes.go
27 lines (24 loc) · 1.03 KB
/
runes.go
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// Pipe - A small and beautiful blogging platform written in golang.
// Copyright (C) 2017-2018, b3log.org
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package util
// IsNumOrLetter checks the specified rune is number or letter.
func IsNumOrLetter(r rune) bool {
return IsLetter(r) || ('0' <= r && '9' >= r)
}
// IsLetter checks the specified run is letter.
func IsLetter(r rune) bool {
return 'a' <= r && 'z' >= r || 'A' <= r && 'Z' >= r
}