query: Regular expression matching a given structure
positive_passages.docid: 1388
positive_passages.text: Learning Regular Expressions
negative_passages.docid: 47836
negative_passages.text: Regular expression for recognizing url
negative_passages.docid: 47106
negative_passages.text: How to match all occurrences of a regex
negative_passages.docid: 98761
negative_passages.text: Regular expression to match any empty line or any line starting with a specified character
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negative_passages.text: How can I find all matches to a regular expression in Python?
negative_passages.docid: 147011
negative_passages.text: Regular expression for excluding special characters
negative_passages.docid: 126315
negative_passages.text: How to find overlapping matches with a regexp?
negative_passages.docid: 8669
negative_passages.text: Regular Expression for password validation
negative_passages.docid: 2559
negative_passages.text: Is there a regular expression to detect a valid regular expression?
negative_passages.docid: 137248
negative_passages.text: regular expressions / pattern matching on ubuntu command line
negative_passages.docid: 34667
negative_passages.text: pattern matching in vim
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negative_passages.text: Orderless pattern matching
negative_passages.docid: 153151
negative_passages.text: Using regular expressions to grab initial letters of string while preserving punctuation and white space
negative_passages.docid: 44036
negative_passages.text: What regex can match sequences of the same character?
negative_passages.docid: 93958
negative_passages.text: How to match hyphens with Regular Expression?
negative_passages.docid: 9171
negative_passages.text: regex for matching something if it is not preceded by something else
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negative_passages.text: Finding parenthesis via regular expression