Add pattern property to text field schema options

A pattern property on a string schema would then add the value to the pattern attribute on the input field for basic enforcement of an input pattern. The native browser alert would appear, assuming Apostrophe is letting the native form submission do its work.

    {
      name: 'favLetter',
      label: 'Favorite Letter',
      type: 'string',
      help: 'Enter a single capital letter',
      pattern: '[A-Z]'
    },

One use for this would be to update apostrophe-redirects to make sure that the “Old URL” starts with a forward slash.

[boutell]

Except, pattern is indeed looking for a regular expression, so my comment on the error in the example is valid.

On Thu, Sep 20, 2018, 2:14 PM Tom Boutell [e-mail] wrote:

Ah. I wasn’t aware of it.

On Thu, Sep 20, 2018, 2:13 PM Alex Bea [e-mail] wrote:

Why do you say that, @houmark https://github.com/houmark? If mobile devices change their keyboards based on the input attributes to make entering easier for people, why not let them do that here too?

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