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Regular expression to match numbers with or without commas and decimals in text

I'm trying to locate and replace all numbers in a body of text. I've found a few example regex's, which almost solve the problem, but none are perfect yet. The problem I have is that the numbers in my text may or may not have decimals and commas. For example: ...
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How to test which port MySQL is running on and whether it can be connected to?

I have installed MySQL and even logged in there as a user. 13 Answers 13 ...
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User recognition without cookies or local storage

I'm building an analytic tool and I can currently get the user's IP address, browser and operating system from their user agent. ...
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Validating IPv4 addresses with regexp

I've been trying to get an efficient regex for IPv4 validation, but without much luck. It seemed at one point I had had it with (25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?(\.|$)){4} , but it produces some strange results: ...
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PHP Regex to check date is in YYYY-MM-DD format

I'm trying to check that dates entered by end users are in the YYYY-MM-DD. Regex has never been my strong point, I keep getting a false return value for the preg_match() I have setup. ...
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How to validate IP address in Python? [duplicate]

What's the best way to validate that an IP entered by the user is valid? It comes in as a string. 11 Answers ...
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What is the best way to initialize a JavaScript Date to midnight?

What is the simplest way to obtain an instance of new Date() but set the time at midnight? 9 Answers ...
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Find the PID of a process that uses a port on Windows

My service crash on startup with the classic: 7 Answers 7 ...
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How do you make an array of structs in C?

I'm trying to make an array of structs where each struct represents a celestial body. 7 Answers ...
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How to validate an Email in PHP?

How can I validate the input value is a valid email address using php5. Now I am using this code 7 Answers ...