# JavaScript 数字验证正则表达式 - 整数

**URL:** <https://www.isharkfly.com/t/javascript/8756>\
**Category:** 前端\
**Created:** [October 31, 2012, 1:19am UTC](https://www.isharkfly.com/t/javascript/8756 "2012-10-31T01:19:13Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![honeymoose](https://www.isharkfly.com/user_avatar/www.isharkfly.com/honeymoose/32/20796_2.png) [@honeymoose](https://www.isharkfly.com/u/honeymoose)\
**Post date:** [October 31, 2012, 1:19am UTC](https://www.isharkfly.com/t/javascript/8756/1 "2012-10-31T01:19:13Z")

</div>

本帖最后由 Celine 于 2012-10-31 10:39 编辑

```auto
/^(-|\+)?\d+$/.test(str)
```