{%- call
form.input('fields__' ~ position ~ '__tdpattern',
label=_('Pattern'),
id='field-f' ~ position ~ 'pattern',
value=data.get('tdpattern', field.get('tdpattern', '')),
error=errors.tdpattern,
classes=['control-full']
)
-%}
{{ form.info(
text=_('Regular expression to match against the field, e.g. '
'AB-\\d{6} for text starting with AB- '
'and ending with 6 digits')
)}}
{%- endcall %}