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. 分别用 PHP 和Javascript. 来验证两个分别叫 slot 和 alternative 的文本框里面的内容:
+ slot 可以包含许多行,每行又包含若干个单词,并且以数字结尾
+ slot 中的每个单词只能由数字、字母、方括号和下划线构成
+ 如果 slot 中的某个单词前后各有相同书面的下划线,则这个单词必须在 alternatives 另起一
行,并带有其定义
+ 方括号必须成对出现
例如,下面的 slot 和 alternative 是正确的:
SLOT ALTERNATIVE
---------------------- --------------------------
| this is 1 | | _this_ th ee s |
| the is 1 | | |
| this's 2 | | |
| _this_ 2 | | |
---------------------- --------------------------
参考答案
更多 “ . 分别用 PHP 和Javascript. 来验证两个分别叫 slot 和 alternative 的文本框里面的内容:+ slot 可以包含许多行,每行又包含若干个单词,并且以数字结尾+ slot 中的每个单词只能由数字、字母、方括号和下划线构成+ 如果 slot 中的某个单词前后各有相同书面的下划线,则这个单词必须在 alternatives 另起一行,并带有其定义+ 方括号必须成对出现例如,下面的 slot 和 alternative 是正确的:SLOT ALTERNATIVE---------------------- --------------------------| this is 1 | | _this_ th ee s || the is 1 | | || this's 2 | | || _this_ 2 | | |---------------------- -------------------------- ” 相关考题
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