[Skip to main content](#vessel-content) # Regular expression on postal code field not working ## - **[remcovolbeda](/forum/user/56255-remcovolbeda "View remcovolbeda's Profile")** - [![remcovolbeda's Avatar](https://www.hikashop.com/media/kunena/core/svg/person.svg)](/forum/user/56255-remcovolbeda "View remcovolbeda's Profile") Topic Author - [ Offline](/forum/user/56255-remcovolbeda) Less More - Posts: 22 - Thank you received: 2 - - 4 years 4 months ago [\#342661](#342661) by [remcovolbeda](/forum/user/56255-remcovolbeda "View remcovolbeda's Profile") *[Regular expression on postal code field not working](/forum/32-content-creation/904620-regular-expression-on-postal-code-field-not-working#342661 "-- url of the page with the problem -- : paintmaster.nl -- HikaShop version -- : 4.6.0 -- Joomla version -- : 4.1.5 -- PHP version -- : 8.0.20 -- Browser(s) name and version -- : all browsers -- Error-message(debug-mod must be tuned on) -- : no error message Hi, I can not get the regular expression to work in "display / custom fields / address_post_cde . The expresson I use is this: /^[1-9][0-9]{3}[\s]?[A-Za-z]{2}$/i For dutch postal codes like "1039 AA" and "3224cc" I have set the field to "Required", but all entries say that it is not a right postal code. Even a very simple regular expression never validates right. Kind regards, Peter")* was created by *[remcovolbeda](/forum/user/56255-remcovolbeda "View remcovolbeda's Profile")* -- url of the page with the problem -- : [ paintmaster.nl](https://paintmaster.nl) -- HikaShop version -- : 4.6.0 -- Joomla version -- : 4.1.5 -- PHP version -- : 8.0.20 -- Browser(s) name and version -- : all browsers -- Error-message(debug-mod must be tuned on) -- : no error message Hi, I can not get the regular expression to work in "display / custom fields / address_post_cde . The expresson I use is this: /^[1-9][0-9]{3}[\s]?[A-Za-z]{2}$/i For dutch postal codes like "1039 AA" and "3224cc" I have set the field to "Required", but all entries say that it is not a right postal code. Even a very simple regular expression never validates right. Kind regards, Peter Please [Log in](/login?return=aHR0cHM6Ly93d3cuaGlrYXNob3AuY29tL2ZvcnVtLzMyLWNvbnRlbnQtY3JlYXRpb24vOTA0NjIwLXJlZ3VsYXItZXhwcmVzc2lvbi1vbi1wb3N0YWwtY29kZS1maWVsZC1ub3Qtd29ya2luZz90bXBsPW1hcmtkb3du) or [Create an account](/component/users/registration?Itemid=101) to join the conversation. - **[nicolas](/forum/user/63-nicolas "View nicolas's Profile")** - [![nicolas's Avatar](https://www.hikashop.com/media/kunena/avatars/resized/size144/users/avatar63.png?1793428657)](/forum/user/63-nicolas "View nicolas's Profile") - [ Away](/forum/user/63-nicolas) Less More - Posts: 86359 - Thank you received: 14294 - - 4 years 4 months ago [\#342663](#342663) by [nicolas](/forum/user/63-nicolas "View nicolas's Profile") Replied by *[nicolas](/forum/user/63-nicolas "View nicolas's Profile")* on topic *[Regular expression on postal code field not working](/forum/32-content-creation/904620-regular-expression-on-postal-code-field-not-working#342663 "-- url of the page with the problem -- : paintmaster.nl -- HikaShop version -- : 4.6.0 -- Joomla version -- : 4.1.5 -- PHP version -- : 8.0.20 -- Browser(s) name and version -- : all browsers -- Error-message(debug-mod must be tuned on) -- : no error message Hi, I can not get the regular expression to work in "display / custom fields / address_post_cde . The expresson I use is this: /^[1-9][0-9]{3}[\s]?[A-Za-z]{2}$/i For dutch postal codes like "1039 AA" and "3224cc" I have set the field to "Required", but all entries say that it is not a right postal code. Even a very simple regular expression never validates right. Kind regards, Peter")* Hi, You should only use: Code: ^[1-9][0-9]{3}[\s]?[A-Za-z]{2}$ The / around are added by HikaShop. Please [Log in](/login?return=aHR0cHM6Ly93d3cuaGlrYXNob3AuY29tL2ZvcnVtLzMyLWNvbnRlbnQtY3JlYXRpb24vOTA0NjIwLXJlZ3VsYXItZXhwcmVzc2lvbi1vbi1wb3N0YWwtY29kZS1maWVsZC1ub3Qtd29ya2luZz90bXBsPW1hcmtkb3du) or [Create an account](/component/users/registration?Itemid=101) to join the conversation. 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