67 lines
1.8 KiB
Go
67 lines
1.8 KiB
Go
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package input
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import (
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"fmt"
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"net/mail"
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"regexp"
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)
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var (
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// RegexAlphanumerical is a basic alphanumerical regex to be use in RegexInput function.
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RegexAlphanumerical = regexp.MustCompile(`^[a-zA-Z0-9\-\_]*$`)
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// RegexAlphanumericalAndSpace is a basic alphanumerical regex with space as an additionnal valid character to be use in RegexInput function.
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RegexAlphanumericalAndSpace = regexp.MustCompile(`^[a-zA-Z0-9\-\_\s]*$`)
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)
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// Regex permit to ask user for an input and check that it match the given regex rule.
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// if not user will see the errMsg and be asked for another input.
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func Regex(mandatory bool, regex *regexp.Regexp, errMsg string) string {
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value := Ask(mandatory, func(in string) (string, error) {
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if !regex.MatchString(in) {
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return "", fmt.Errorf("%s", errMsg)
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}
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return in, nil
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})
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return value
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}
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// Alphanumerical will ask user for an input respecting the RegexAlphanumerical.
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func Alphanumerical(mandatory bool) string {
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return Regex(mandatory, RegexAlphanumerical, "Please use a-z, A-Z, 0-9, - and _ characters only.")
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}
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// AlphanumericalAndSpace will ask user for an input respecting the RegexAlphanumericalAndSpace.
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func AlphanumericalAndSpace(mandatory bool) string {
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return Regex(mandatory, RegexAlphanumericalAndSpace, "Please use a-z, A-Z, 0-9, -, _ and space characters only.")
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}
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// String permit to ask user for any kind of string.
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func String(mandatory bool) string {
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value := Ask(mandatory, func(in string) (string, error) {
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return in, nil
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})
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return value
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}
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// Mail permit to ask user for an email address.
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func Mail(mandatory bool) string {
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value := Ask(mandatory, func(in string) (string, error) {
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_, err := mail.ParseAddress(in)
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if err != nil {
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return "", fmt.Errorf("expecting a valid mail address, please try again")
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}
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return in, nil
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})
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return value
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}
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