go-zero-width 
Zero-width character detection and removal for Go. Inspired by this Medium article.
Installation
go get github.com/trubitsyn/go-zero-width
Usage
package main
import (
"github.com/trubitsyn/go-zero-width"
"fmt"
)
func main() {
login := "abcdef" // zero-width space between "c" and "d"
clean := zerowidth.RemoveZeroWidthCharacters(login) // a b c d e f
fmt.Printf("% x\n", login) // 61 62 63 e2 80 8b 64 65 66
fmt.Printf("% x\n", clean) // 61 62 63 64 65 66
}
Supported characters
- Zero-width space (U+200B)
- Zero-width no-break space (U+FEFF)
- Zero-width joiner (U+200D)
- Zero-width non-joiner (U+200C)
Testing
go get -t github.com/trubitsyn/go-zero-width
go test github.com/trubitsyn/go-zero-width
LICENSE
Copyright 2018 Nikola Trubitsyn
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
