正则表达式无法正常工作 [英] Regex is not working
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问题描述
我需要在下面的场景中为编写一个正则表达式:
前四个字符必须是包含 Ñ或 &安培;跨度>。
接下来的两个字符必须是数字。
下一个字符必须是 0 或 1 。
下一个字符必须是数字。
接下来的两个字符必须是从 01 到 31 跨度>。
我有正则表达式,但此 失败:
var regexTenCharacter = new RegExp( < span class =code-string> [A-Za-zÑ&] {4} [0-9] {2} [0 | 1] {1} [0-9] {1} [0-3] { 1} [0-9] {1} $跨度>);
请为 此提供的解决方法。
我的尝试:
var regexTenCharacter = new RegExp( [A-ZA-ZN&安培;] {4} [0-9] {2} [0 | 1] {1} [0-9] {1} ^(3 [01] | [12] [0-9 ] | [1-9])$);
解决方案
);
请提供解决方法 for this 。
我尝试过:
var regexTenCharacter = new RegExp([A-Za-zÑ&] {4} [0 -9] {2} [0 | 1] {1} [0-9] {1} ^(3 [01] | [12] [0-9] | [1-9])
);
你的正则表达式看起来非常接近。试试:
var regexTenCharacter = new RegExp ( ^ [A. -Za-ZN&安培;] {4} \d {2} [01] \d:3 [01] |(:( ?: 0 [1-9])|([12] \d?) )
I need to write a regex for below scenario:
First four characters must be letters including "Ñ" or "&".
Next two characters must be digits.
Next character must be 0 or 1.
Next character must be digit.
Next two characters must be from 01 to 31.
I have a regex, but this is failing:
var regexTenCharacter = new RegExp("[A-Za-zÑ&]{4}[0-9]{2}[0|1]{1}[0-9]{1}[0-3]{1}[0-9]{1}$");
Please provide a workaround for this.
What I have tried:
var regexTenCharacter = new RegExp("[A-Za-zÑ&]{4}[0-9]{2}[0|1]{1}[0-9]{1}^(3[01]|[12][0-9]|[1-9])$");
解决方案
"); Please provide a workaround for this.
What I have tried:
var regexTenCharacter = new RegExp("[A-Za-zÑ&]{4}[0-9]{2}[0|1]{1}[0-9]{1}^(3[01]|[12][0-9]|[1-9])
");
Your regex looks awfully close. Try:
var regexTenCharacter = new RegExp("^[A-Za-zÑ&]{4}\d{2}[01]\d(?:(?:0[1-9])|(?:[12]\d)|3[01])
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