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input string validation in adf

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Following code in your <af:inputText tag
will estrict the values entered by user as per your requirement.

Validating a InputTextBox for String Value Only

<af:validateRegExp pattern="^[a-zA-Z]+$" messageDetailNoMatch="Number Not allowed" />

allowing only string with space  -->

 <af:validateRegExp pattern="^[a-zA-Z  a-zA-Z]+$" messageDetailNoMatch="Number Not allowed" />

  it will allow only charecters and not numbers.
 

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