转自:https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/RegExp RegExp构造函数创建了一个正则表达式对象,用于将文本与一个模式匹配。 有关正则表达式的介绍,请阅读JavaScript指南中的正则表达式章节。 语法 字面量, 构造函数和工厂符号都是可以的: /pattern/flags new RegExp(patte...
\f 匹配一个换页符(form-feed) [\b] 匹配一个退格符(backspace)(不要与 \b 混淆) \0 匹配一个 NUL 字符。不要在此后面跟小数点。 \cX X 是A - Z 的一个字母。匹配字符串中的一个控制字符。 例如,/\cM/ 匹配字符串中的 control-M。 \xhh 匹配编码为 hh (两个十六进制数字)的字符。 \uhhhh...
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If the characters in P do not have the form Pattern, throw a SyntaxError exception. Otherwise, let the newly constructed object have a [[Match]] property obtained by evaluating ("compiling") Pattern. The source property of this RegExp object is set as follows: When pattern is an object ...
NOTE The form and functionality of regular expressions is modelled after the regular expression facility in the Perl 5 programming language. IE11 Mode (All versions) The implementation of RegExp] accords with edition 5.1 of the ECMAScript Standard, not the 6th edition....
| \f | 匹配一个换页符(form-feed) | | \b | 匹配一个退格符(backspace)(不要与\b混淆) | | \0 | 匹配一个 NUL 字符。不要在此后面跟小数点。 | | \cX |X是 A - Z 的一个字母。匹配字符串中的一个控制字符。 例如,/\cM/匹配字符串中的 control-M。| ...
有时,我们希望判断文本框中用户输入的字符是否含有特殊符号(*/#$@),就像用户注册时密码框的填写。下面小编给大家分享一个demo,感兴趣的朋友一起看看吧 正则特殊符号 正则表达式校验特殊符号 正则符号2020-10-16 上传大小:40KB 所需:50积分/C币 js特殊字符过滤的示例代码 ...