🇧🇷 CPF validation in Go
Merge branch 'master' into master
authored by
Eduardo Cuducos
and committed by
GitHub
f365301d
0b441761
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cpf.go
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cpf.go
···
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"strings"
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)
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//Cpf type
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type Cpf string
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func (c Cpf) String() string {
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return string(c)
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}
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func checksum(ds []int64) int64 {
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var s int64
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for i, n := range ds {
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return r
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}
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type Cpf string
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func (c Cpf) String() string {
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return string(c)
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}
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//Validate check if Cpf is in a valid format
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func (c Cpf) Validate() bool {
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u := c.Unmask()
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if len(u) != 11 {
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if len(u) != 11 {
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return false
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}
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···
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ds[i] = c
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m[c] = true
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}
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if len(m) == 1 {
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return false
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}
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return checksum(ds[:9]) == ds[9] && checksum(ds[:10]) == ds[10]
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}
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//Mask return the formated value
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func (c Cpf) Mask() string {
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u := c.Unmask()
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if len(u) < 11 {
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return fmt.Sprintf("%s.%s.%s-%s", u[:3], u[3:6], u[6:9], u[9:])
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}
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//Unmask remove format and return the raw data
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func (c Cpf) Unmask() string {
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return regexp.MustCompile(`\D`).ReplaceAllString(string(c), "")
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}