English 中文(简体)
帮助我写上一部证书,确认两个特殊性之间的一定规模?
原标题:Help me write a regex that validates a number of any size that is between two special characters?
  • 时间:2010-09-20 21:19:05
  •  标签:
  • regex

因此,这意味着“1美元”和“5000 000 000美元”或“12345678美元”的一定长度,但必须是数字,而且必须以美元开始和结束。

最佳回答

为此:

$d+$

如果你不想让领头零:

$[1-9]d*$
问题回答

暂无回答




相关问题
Uncommon regular expressions [closed]

Recently I discovered two amazing regular expression features: ?: and ?!. I was curious of other neat regex features. So maybe you would like to share some tricky regular expressions.

regex to trap img tag, both versions

I need to remove image tags from text, so both versions of the tag: <img src="" ... ></img> <img src="" ... />

C++, Boost regex, replace value function of matched value?

Specifically, I have an array of strings called val, and want to replace all instances of "%{n}%" in the input with val[n]. More generally, I want the replace value to be a function of the match ...

PowerShell -match operator and multiple groups

I have the following log entry that I am processing in PowerShell I m trying to extract all the activity names and durations using the -match operator but I am only getting one match group back. I m ...

Is it possible to negate a regular expression search?

I m building a lexical analysis engine in c#. For the most part it is done and works quite well. One of the features of my lexer is that it allows any user to input their own regular expressions. This ...

regex for four-digit numbers (or "default")

I need a regex for four-digit numbers separated by comma ("default" can also be a value). Examples: 6755 3452,8767,9865,8766,3454 7678,9876 1234,9867,6876,9865 default Note: "default" ...

热门标签