How to do regular expression validation for Phone Number for the below case
1) With Country Code
2) Applicable to all Countries
<af:inputText value="#{bindings.Mobile.inputValue}" autoSubmit="true"
label="#{bindings.Mobile.hints.label}"
required="#{bindings.Mobile.hints.mandatory}"
columns="#{bindings.Mobile.hints.displayWidth}"
maximumLength="#{bindings.Mobile.hints.precision}"
shortDesc="#{bindings.Mobile.hints.tooltip}"
id="itMobile" partialTriggers="t1xxx">
<f:validator binding="#{bindings.Mobile.validator}"/>
</af:inputText>