Title: RegEx pattern for alphanumeric or numeric entry
Last modified: June 28, 2018

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# RegEx pattern for alphanumeric or numeric entry

 *  [Andre](https://wordpress.org/support/users/picturebreeze/)
 * (@picturebreeze)
 * [7 years, 11 months ago](https://wordpress.org/support/topic/regex-pattern-for-alphanumeric-or-numeric-entry/)
 * Hello, great plugin.
    However, i can’t figure out a RegEx pattern for a GF form
   field that may not accept letters only (it’s a passport number field). It must
   have at least one number digit, it can also have all numbers. But it can’t have
   all letters.
 * Examples:
    X12345678 – valid ABCDEFGH4 – valid 123456789 – valid ABCDEFGHJ – 
   invalid -> validation error message
 * Can anybody help?
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fregex-pattern-for-alphanumeric-or-numeric-entry%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

Viewing 1 replies (of 1 total)

 *  [Amritansh Trivedi](https://wordpress.org/support/users/amritanshatwisetr/)
 * (@amritanshatwisetr)
 * [7 years, 8 months ago](https://wordpress.org/support/topic/regex-pattern-for-alphanumeric-or-numeric-entry/#post-10742284)
 * Hello [@picturebreeze](https://wordpress.org/support/users/picturebreeze/),
 * Thanks for praising us.
    here is something I found on the internet that might
   help you. [http://regexlib.com/REDetails.aspx?regexp_id=2392&AspxAutoDetectCookieSupport=1](http://regexlib.com/REDetails.aspx?regexp_id=2392&AspxAutoDetectCookieSupport=1)
 * Thanks

Viewing 1 replies (of 1 total)

The topic ‘RegEx pattern for alphanumeric or numeric entry’ is closed to new replies.

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## Tags

 * [alphanumeric](https://wordpress.org/support/topic-tag/alphanumeric/)
 * [numeric](https://wordpress.org/support/topic-tag/numeric/)

 * 1 reply
 * 2 participants
 * Last reply from: [Amritansh Trivedi](https://wordpress.org/support/users/amritanshatwisetr/)
 * Last activity: [7 years, 8 months ago](https://wordpress.org/support/topic/regex-pattern-for-alphanumeric-or-numeric-entry/#post-10742284)
 * Status: not resolved