Streaming regex scanner — regexpscanner
Go's regexp module falls short with stream processing-- nearly all methods require a string or []byte. The regexpscanner module makes it easy to extract tokens that match regular expression patterns.
https://pkg.go.dev/github.com/tonymet/regexpscanner
Install Module
go get github.com/tonymet/regexpscanner@latest
Example Usage
use ProcessTokens when a simple callback-based stream tokenizer is needed .
ProcessTokens calls handler(string) for each matching token from the Scanner.
package main
import (
"fmt"
"regexp"
"strings"
rs "github.com/tonymet/regexpscanner"
)
func main() {
rs.ProcessTokens(
strings.NewReader("<html><body><p>Welcome to My Website</p></body></html>"),
regexp.MustCompile(`</?[a-z]+>`),
func(text string) {
fmt.Println(text)
})
}
Output
<html> <body> <p> </p> </body> </html>
Give it a try and see the Go Module Page for more examples
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