英国邮政编码小案的正则表达式？ [英] Regular Expression for UK Post Code Lower Case?

问题描述

我有一个正则表达式，接受像CH42 8NU这样的大写字母中的英国邮政编码。 validaiton表达式是

 ValidationExpression =（（\b [AZ] {1,2} [0-9] [A-Z0-9]？[0-9] [ABD-HJLNP-UW- Z] {2} \b）|（^（[AZ] {1} [0-9] {1}）$ | ^（[AZ] {1} [0-9] {2}）$ | ^ （[AZ] {2} [0-9] {1}）$ | ^（[AZ] {2} [0-9] {2}）$））

但我的问题正则表达式是它只允许大写字母我希望这个接受它的小写字母也像ch42 8nu。请指导我如何通过修改验证表达来实现此功能。

先谢谢。

解决方案

| ^（[AZ] {1} [0-9] {2}）

| ^（[AZ] {2} [0-9] {1}）

| ^（[AZ] {2} [0-9 ] {2}）

Hi,
I have a regular expression which accepts UK Post Code in Capital Letters like this CH42 8NU. The validaiton expression is

ValidationExpression=((\b[A-Z]{1,2}[0-9][A-Z0-9]? [0-9][ABD-HJLNP-UW-Z]{2}\b)|(^([A-Z]{1}[0-9]{1})$|^([A-Z]{1}[0-9]{2})$|^([A-Z]{2}[0-9]{1})$|^([A-Z]{2}[0-9]{2})$))

But the problem with my regular expression is it only allow capital letters I want this to accept it in small letter also like ch42 8nu. Please guide me how acheived this functionality through modifying my validation expression.
Thanks in Advance.

解决方案

|^([A-Z]{1}[0-9]{2})

|^([A-Z]{2}[0-9]{1})

|^([A-Z]{2}[0-9]{2})

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