Regex for numbers like 1.1
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Learning Regular Expressions
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Regexp that matches valid regexps
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Using regular expressions to validate a numeric range
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alphanumeric regex javascript
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How to extract numbers from a string in Python?
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Regular Expression for alphanumeric and underscores
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Regex and ISO8601 formatted DateTime
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How can I format a number into a string with leading zeros?
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How to extract a number from a string
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Regex to only allow alphanumeric, comma, hyphen, underscore and semicolon
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Regular expression to split string and number
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Regular expression for math operations with parentheses
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RegEx with multiple groups?
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Is it possible to increment numbers using regex substitution?
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Convert a number to its expression in words (e.g. 55 -> fifty-five)
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How to normalize data between -1 and 1?
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How to manually parse a floating point number from a string