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### 记录
\d 匹配0-9的数字；
\D 任何非数字字符(\字母大写都表示非)
. 匹配任意单个字符（字母、数字、空格等，换行符\r \n除外）
[] 匹配特定字符， 如[abc]等同于(a|b|c)；
[^] 排除特定字符， 如[^abc]排除abc；
[a-z] 表示a-z的字符范围，[A-Za-z0-9_]匹配英文文本
{} 指定每个字符的重复次数,如a{3} a{1,3}…
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Instead, we should replace regexp with a simple pattern in doc ids.
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## Bug Report
Please answer these questions before submitting your issue. Thanks!
### 1. Minimal reproduce step (Required)
prepare data
```sql
DROP table if exists v1;
DROP table if exists v2;
CREATE…
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Currently, this XMIR will lead to no errors:
```
hello, world!
```
However, this is not a valid XMIR. The text part of `` must either be absent or match this rege…
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Vulnerable Library - react-router-dom-4.2.2.tgz
Path to dependency file: /src/Templating/src/Microsoft.DotNet.Web.Spa.ProjectTemplates/content/ReactRedux-CSharp/ClientApp/package.json
Path to vulne…
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### Go version
latest
### Output of `go env` in your module/workspace:
```shell
N/A
```
### What did you do?
N/A
### What did you see happen?
Regexp did not cancel early
### What did you expe…
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I get the following error:
```
no such function: regexp, SQL logic error (code 1)
```
while executing:
```
select * from Cards where Cards.Rules regexp '(.*?)Add\s\{.*?\}(.*)')
```
Maybe s…
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JavaScript有两种方式创建一个正则表达式：
第一种方式是直接通过/正则表达式/写出来，第二种方式是通过new RegExp('正则表达式')创建一个RegExp对象。
两种写法是一样的
``` javascript
var re1 = /ABC\-001/;
var re2 = new RegExp('ABC\\-001');
re1; // /ABC\-001…
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### RegExp.prototype.test()
The test() method executes a search for a match between a regular expression and a specified string. Returns true or false.
### RegExp.prototype.exec()
The exec() meth…
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Crear una variable con la expresión regular reducida. Solo para el match tipo (new Medida("32F")).
Para el match final concatenar en una nueva variable la reducida más lo necesario para el "to" opcion…