Regular expression in R for detecting $45
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Learning Regular Expressions
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Regex expression for decimal number
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Detecting that a fraction is a repeating decimal
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using regex for math expressions in java?
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Regular Expression: Numeric range
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Regular expression to match 7-12 digits; may contain space or hyphen
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In a java regex, how can I get a character class e.g. [a-z] to match a - minus sign?
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grep and escaping a dollar sign
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Using Regular Expressions to Extract a Value in Java
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Regular Expressions: Is there an AND operator?
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How to extract numbers from a string
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Find and extract a number from a string
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how can I parse "30.0" or "30.00" to Integer?
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R regular expressions: unexpected behavior of "[:digit:]"
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Need a regex to exclude certain strings
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Java: how to parse double from regex
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What's the regular expression that matches a square bracket?