query: Unknown modifier 'v' when using preg_match() expression in regex
positive_passages.docid: 2886
positive_passages.text: Warning: preg_replace(): Unknown modifier
negative_passages.docid: 141606
negative_passages.text: How can I recognize an evil regex?
negative_passages.docid: 29307
negative_passages.text: How do you match a caret (^) symbol in regex?
negative_passages.docid: 131388
negative_passages.text: using regex for math expressions in java?
negative_passages.docid: 22141
negative_passages.text: How do I perform a Javascript match with a pattern that depends on a variable?
negative_passages.docid: 42740
negative_passages.text: new Regexp doesn't work
negative_passages.docid: 101511
negative_passages.text: Is there a PHP function that can escape regex patterns before they are applied?
negative_passages.docid: 156132
negative_passages.text: Finding parenthesis via regular expression
negative_passages.docid: 58350
negative_passages.text: `preg_match` the Whole String in PHP
negative_passages.docid: 73420
negative_passages.text: PHP preg_match (.*) not matching past line breaks
negative_passages.docid: 56834
negative_passages.text: Find multiple patterns with a single preg_match_all in PHP
negative_passages.docid: 152635
negative_passages.text: How can I expand a setting or variable in a vim regular expression?
negative_passages.docid: 125739
negative_passages.text: Get repeated matches with preg_match_all()
negative_passages.docid: 84913
negative_passages.text: How to "inverse match" with regex?
negative_passages.docid: 64366
negative_passages.text: Matching an optional substring in a regex
negative_passages.docid: 427
negative_passages.text: Why does a RegExp with global flag give wrong results?
negative_passages.docid: 75716
negative_passages.text: How can I find the location of a regex match in Perl?