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package main

import (
    "fmt"
    "github.com/gogf/gf/text/gregex"
)

func main() {
    patternStr := `\d+`
	str := "hello2020gf"
	result := gregex.Split(patternStr, str)
	g.Dump(result)
}

["hello","gf"]

package main

import (
    "fmt"
    "github.com/gogf/gf/text/gregex"
)

func main() {
    // Valid match statement
	g.Dump(gregex.Validate(`\d+`))
	// Mismatched statement
	g.Dump(gregex.Validate(`[a-9]\d+`))
}

<nil>
{
	Code: "invalid character class range",
	Expr: "a-9",
}