[英]Text with /n matching in regex and Openrefine
我正在尝试在开放式优化中过滤包含new lines
的文本。
输入为:
Them Spanish girls love me like I'm Aventura
I'm the man, y'all don't get it, do ya?
Type of money, everybody acting like they knew ya
Go Uptown, New York City, bitch
Them Spanish girls love me like I'm Aventura
Tell Uncle Luke I'm out in Miami, too
Them Spanish girls love me like I'm Aventura
预期结果将是:
Type of money, everybody acting like they knew ya
Go Uptown, New York City, bitch
Them Spanish girls love me like I'm Aventura
我试图获得与关键字和之前和之后的行。
我的标准正则表达式代码如下所示:
/((.*\\n){2})^.*\\b(New York)\\b.*((.*\\n){3})/m
但这在公开优化中不起作用。 我尝试了以下操作,但仅返回“ null”
value.match(/.*(\\New York)/.*)
有人知道我该怎么做吗? 我真的需要保持警惕,所以我不能在比赛前做replace(/\\n/,'')
。
全新的OpenRefine 3具有find()
函数,比match()
更友好。
我认为这个正则表达式可以解决问题:
value.find(/(.*\n){1}.+New York.+(\n.*){1}/).join('\n')
结果:
如果出于某种原因您更喜欢使用OpenRefine 2.8,则Python / Jython提供了另一种选择:
import re
matches = re.findall(r".+?\n.+New York.+\n.+", value)
return "\n".join(matches)
结果:
如果您想完全避免使用RegEx,而只是阅读文本并在此行之前和之后写这行,则可以在Excel中的单元格A1
中编写该文本:
Public Sub TestMe()
Dim inputString As String
inputString = Range("A1")
Dim lookForWord As String
lookForWord = "New York"
Dim inputArr As Variant
inputArr = Split(inputString, vbLf)
Dim line As Variant
Dim previousLine As String
Dim foundWord As Boolean
Dim linesAfter As Long: linesAfter = 1
For Each line In inputArr
If InStr(1, line, lookForWord) Then
previousLine = previousLine & vbCrLf & line
foundWord = True
Else
If foundWord And linesAfter Then
previousLine = previousLine & vbCrLf & line
linesAfter = linesAfter - 1
ElseIf linesAfter Then
previousLine = line
End If
End If
Next line
If Not linesAfter Then Debug.Print previousLine
End Sub
Split()
将文本解析为如下数组:
linesAfter
变量可以告诉您单词后应显示多少行。
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