[Opensource] regular expression

[Jan.Moons at alcatel.be]

Best practices request on adding ControllerSecurity rowsHi David,

Are you asking how to use struts validator ?
Or just how regular expressions look like ?

Well, a regular expression is a string of characters that define a pattern used to search for a matching string. You can read more about regular expressions and how they can be used at the following location :

http://www.javaworld.com/javaworld/jw-07-2001/jw-0713-regex_p.html

Or go to the site of the man who implemented struts validator :

http://home.earthlink.net/~dwinterfeldt/

At the moment I am woking on a Struts project that uses struts validator for validating user input (client and server side) and here is a piece of my validation.xml it should be self explaining :

<form-validation>
   <global>
      <!-- personnel numbers start with 3 zeros followed by 5 digits -->
      <constant>
        <constant-name>personnelNumber</constant-name>
        <constant-value>^0{3}\d{5}$</constant-value>
      </constant>
      <!-- upi begins with 2 letters, followed by a letter or zero and then 6 digits -->
      <constant>
        <constant-name>upi</constant-name>
        <constant-value>^[A-Z]{2}[A-Z|0]\d{6}$</constant-value>
      </constant>
   </global>
   <formset>
        <form name="thrcsVasteGegevensForm">
            <field property="upi" depends="required,mask">
                <!-- hr.upi.maskmsg is defined in Struts ApplicationResources.properties -->
                <msg name="mask" key="hr.upi.maskmsg"/>
                <arg0 key="hr.upi"/>
                <var>
                    <var-name>mask</var-name>
                    <var-value>${upi}</var-value>
                </var>
            </field>
            <field property="personnelNumber" depends="required,mask">
                <msg name="mask" key="hr.personnelNumber.maskmsg"/>
                <arg0 key="hr.personnelNumber"/>
                <var>
                    <var-name>mask</var-name>
                    <var-value>${personnelNumber}</var-value>
                </var>
            </field>
            <field property="csType" depends="required">
                <arg0 key="thrcsVasteGegevens.csType"/>
            </field>
            <field property="dateOfBirth" depends="timestamp">
                <arg0 key="thrcsVasteGegevens.dateOfBirth"/>
            </field>
        </form>
    </formset>
</form-validation>

Hopefully this helps you a bit further,

Jan
  ----- Original Message ----- 
  From: David Zhao 
  To: 'opensource at jcorporate.com' 
  Sent: Wednesday, January 15, 2003 8:01 PM
  Subject: [Opensource] regular expression


  Hi there:

  Does anybody know the "regular expression" syntax for struts common-validator? Thanks a lot,

  David

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