[英]Regex: How to grab strings within quotes, commas, spaces, and new line?
我在.txt
文件中有一个字符串列表,我想获取引号,逗号,空格和换行符中的数据。
这是清单的示例:
CurCode“ 608”,“ 840”,“ 784”,“ 036”,“ 048”,“ 124”,“ 756”,“ 156”,“ 208”,“ 978”,“ 826”,“ 344”,“ 360”,“ 376”,“ 356”,“ 392”,“ 410”,“ 414”,“ 484”,“ 458”,“ 578”,“ 554”,“ 634”,“ 643”,“ 682” ,“ 752”,“ 702”,“ 764”,“ 901”,“ 840”,“ 704”,“ 710”
我对类似问题的评论尝试了不同的方法,但是它们似乎对我没有用。
var list = Regex.Matches(input, @"\d+").Cast<Match>().Select(m => m.Value)
.ToList();
您可以简单地拆分,修剪和删除引号:
var list =
str.Split(new string[] {","}, StringSplitOptions.RemoveEmptyEntries)
.Select(x => x.Trim().Replace("\"", ""));
对于这种特殊格式,正则表达式将满足您的需求:
//sample created with http://regexhero.net/tester/
string strRegex = @"""(?:\d+)""";
RegexOptions myRegexOptions = RegexOptions.None;
Regex myRegex = new Regex(strRegex, myRegexOptions);
string strTargetString = @"""608"", ""840"", ""784"", ""036"", ""048"", ""124"", ""756"", ""156"", ""208"", ""978"", ""826"", ""344"", ""360"", ""376"", ""356"", ""392"", ""410"", ""414"", ""484"", ""458"", ""578"", ""554"", ""634"", ""643"", ""682"", ""752"", ""702"", ""764"", ""901"", ""840"", ""704"", ""710""";
foreach (Match myMatch in myRegex.Matches(strTargetString))
{
if (myMatch.Success)
{
//Do your stuff with the value here: myMatch.Groups[0].Value
}
}
您也可以这样操作:
使用字符串操作:(推荐)
样例代码:
var lst = sampleStr.Replace(""",""",",").Replace("CurCode ""","").TrimEnd('"').Split(',');
使用正则表达式尝试以下模式:
(?<=[,\s]\")(.*?)(?=\")
这种模式足以处理带引号的数字和一些字符串
样例代码:
MatchCollection mcol = regex.Matches(sampleStr,@"(?<=[,\s]\")(.*?)(?=\")");
foreach(Match m in mcoll)
{
Debug.Print(m.ToString()); // See output window
}
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