Title: Validation regex
Last modified: August 30, 2016

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# Validation regex

 *  [Peter Landman](https://wordpress.org/support/users/peterlandman/)
 * (@peterlandman)
 * [11 years ago](https://wordpress.org/support/topic/validation-regex-1/)
 * Dear superman/woman,
 * my problem:
    I want to allow only characters as input in a label and try to use
   validation regex, but don’t know the correct code to put in.
 * Super plugin, many thanks in advance,
    Peter
 * [https://wordpress.org/plugins/si-contact-form/](https://wordpress.org/plugins/si-contact-form/)

Viewing 2 replies - 1 through 2 (of 2 total)

 *  [mbrsolution](https://wordpress.org/support/users/mbrsolution/)
 * (@mbrsolution)
 * [11 years ago](https://wordpress.org/support/topic/validation-regex-1/#post-6194446)
 * Hi Peter, here are two websites you can check.
    - [Number 1](http://www.regular-expressions.info/quickstart.html)
    - [Number 2](http://regexlib.com/%28X%281%29A%28gxfRHYN4CXDNW9UnvQksW1sdJAzhxsjbu9z6pe3gno2vtU-4BK4DqHMNqooJEKzPMIYlSMwY_a7WBk2oE29tdsXJTthTJLu1o4-eM8KXloJxgrdCJjc3PCg8tgzlPxE63dZVphgoZTyUKEihwmhN7tI5t_5DgSErIoFjyje4UyoEXbO8lBo7NyfBdxQouvXw0%29%29/?AspxAutoDetectCookieSupport=1)
 *  Thread Starter [Peter Landman](https://wordpress.org/support/users/peterlandman/)
 * (@peterlandman)
 * [11 years ago](https://wordpress.org/support/topic/validation-regex-1/#post-6194485)
 * Thanks for your help,
 * I will give it a try,
 * Peter

Viewing 2 replies - 1 through 2 (of 2 total)

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 * 2 replies
 * 2 participants
 * Last reply from: [Peter Landman](https://wordpress.org/support/users/peterlandman/)
 * Last activity: [11 years ago](https://wordpress.org/support/topic/validation-regex-1/#post-6194485)
 * Status: not resolved