Question

我有一系列字符串，包括一个或多个数字（在这种情况下的数字为123,123,123），格式如下

"This is a number 123,124,123"
"These are some more numbers 123,345,123; 231,123,123; 124,152,123"
"This one is an odd situation 123,124,125; 123,123,123; more text"

将这些数字解析为数组或字符串的最简洁方法是什么？我可以拆分它，看起来像这样？

"123,124,123"
"123,345,123;231,123,123;124,152,123"
"123,124,125;123,123,123;"

最终我希望能够将这样的数字分开。

"123,124,123"
"123,345,123" "231,123,123" "124,152,123"
"123,124,125" "123,123,123"

目前正在尝试使用

"string".scan( /\d/ )

但显然这只是给了我没有逗号的数字，也没有正确分开。

Answer 1

这样做

string.scan(/[\d,]+/)

Answer 2

另一种方法是删除不需要的字符。

arr = ["This is a number 123,124,123",
       "These are some more numbers 123,345,123; 231,123,123; 124,152,123",
       "This one is an odd situation 123,124,125; 123,123,123; more text"]

arr.map { |str| str.gsub(/[^\s\d,]+/,'').split }
  #=> [["123,124,123"],
  #    ["123,345,123", "231,123,123", "124,152,123"],
  #    ["123,124,125", "123,123,123"]]

Answer 3

与您的号码匹配的正则表达式为\d{1,3}(,\d{3})*

从字符串中解析包含逗号的许多数字

3 个答案: