query: Regex in R: match everything but not "some string"
positive_passages.docid: 20205
positive_passages.text: How can I remove all objects but one from the workspace in R?
negative_passages.docid: 124258
negative_passages.text: How do you match one of two words in a regular expression?
negative_passages.docid: 142285
negative_passages.text: What's the regular expression that matches a square bracket?
negative_passages.docid: 127684
negative_passages.text: How can I match a whole word in JavaScript?
negative_passages.docid: 156045
negative_passages.text: How do I grep for lines containing either of two words, but not both?
negative_passages.docid: 53523
negative_passages.text: How to use regex in string in java?
negative_passages.docid: 38724
negative_passages.text: Preg_replace match on word boundery and not in link
negative_passages.docid: 759
negative_passages.text: How do I match any character across multiple lines in a regular expression?
negative_passages.docid: 93958
negative_passages.text: How to match hyphens with Regular Expression?
negative_passages.docid: 83008
negative_passages.text: RegEx with multiple groups?
negative_passages.docid: 94281
negative_passages.text: How can I grep for a string containing regex metacharacters like $ and '?
negative_passages.docid: 99635
negative_passages.text: How can I match on an attribute that contains a certain string?
negative_passages.docid: 112286
negative_passages.text: Why does R use partial matching?
negative_passages.docid: 100764
negative_passages.text: Match text only if it contains all words from whitelist, but none from blacklist
negative_passages.docid: 149692
negative_passages.text: C# RegEx: Ignore case... in pattern?
negative_passages.docid: 90078
negative_passages.text: Non greedy (reluctant) regex matching in sed?
negative_passages.docid: 54939
negative_passages.text: Regular expression: match start or whitespace