query: Variable in regular expression
positive_passages.docid: 823
positive_passages.text: How do you use a variable in a regular expression?
negative_passages.docid: 156132
negative_passages.text: Finding parenthesis via regular expression
negative_passages.docid: 75274
negative_passages.text: Special variables in bash
negative_passages.docid: 38607
negative_passages.text: Variable substitution with an exclamation mark in bash
negative_passages.docid: 142890
negative_passages.text: Regular expression getElementById
negative_passages.docid: 66044
negative_passages.text: string to variable name
negative_passages.docid: 85361
negative_passages.text: Regular Expression: Numeric range
negative_passages.docid: 69214
negative_passages.text: How to use regex pattern in java?
negative_passages.docid: 79025
negative_passages.text: grep for expression containing variable
negative_passages.docid: 152734
negative_passages.text: Using the literal '@' with a string variable
negative_passages.docid: 28280
negative_passages.text: Python and regular expression with Unicode
negative_passages.docid: 126141
negative_passages.text: Regular expression to match a word or its prefix
negative_passages.docid: 14068
negative_passages.text: Regular Expressions: Is there an AND operator?
negative_passages.docid: 24395
negative_passages.text: Matching a space in regex
negative_passages.docid: 124258
negative_passages.text: How do you match one of two words in a regular expression?
negative_passages.docid: 118954
negative_passages.text: Minimum Length Regular Expression
negative_passages.docid: 86808
negative_passages.text: How to determine if a string is a valid variable name?