逗号分隔字符串的正则表达式验证

发布于 2024-11-07 09:01:08 字数 150 浏览 1 评论 0原文

我需要验证并输入客户端字符串。

这是字符串的示例：

1:30-1:34, 1:20-1:22, 1:30-1:37,

它基本上是视频的时间代码。

这可以用正则表达式来完成吗？

我的头撞在墙上...

原文

I need to validate and input string client side.

Here is an example of the string:

1:30-1:34, 1:20-1:22, 1:30-1:37,

It's basically time codes for a video.

Can this be done with regex?

Banging my head against the wall...

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怀中猫帐中妖 2024-11-14 09:01:08

^(?:\b\d+:\d+-\d+:\d+\b(?:, )?)+$

可能会起作用；至少它符合你的例子。但您可能需要添加一些边缘情况以使匹配/不匹配的规则更清晰。

^        # Start of string
(?:      # Try to match...
 \b      # start of a "word" (in this case, number)
 \d+     # one or more digits
 :       # a :
 \d+     # one or more digits
 -       # a dash
 \d+     # one or more digits
 :       # a :
 \d+     # one or more digits
 \b      # end of a "word"
 (?:, )? # optional comma and space
)+       # repeat one or more times
$        # until the end of the string

^(?:\b\d+:\d+-\d+:\d+\b(?:, )?)+$

would probably work; at least it matches your example. But you might need to add a few edge cases to make the rules for matching/not matching clearer.

^        # Start of string
(?:      # Try to match...
 \b      # start of a "word" (in this case, number)
 \d+     # one or more digits
 :       # a :
 \d+     # one or more digits
 -       # a dash
 \d+     # one or more digits
 :       # a :
 \d+     # one or more digits
 \b      # end of a "word"
 (?:, )? # optional comma and space
)+       # repeat one or more times
$        # until the end of the string

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