Regex Match Digit C#

The 30 minute regex tutorial - codeproject, Match any character except newline w . match any alphanumeric character s. match any whitespace character d . match any digit b. match the beginning or.
Advanced regex tutorial—regex syntax, Regex syntax clarification. examines all pieces of regex syntax that start with (?..
Steven levithan - flagrant badassery, Blog of steven levithan. discusses the regex cookbook by levithan and jan goyvaerts, regex apis and regex recipes..

Using regular expressions # - regex tutorial—, C# regular expressions tutorial. discusses .net regex classes #, working code matching, replacing splitting..

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Regex match letters - stack overflow, How write regex matches letters?.

https://stackoverflow.com/questions/3617797/regex-to-match-only-letters
Online regex tester debugger: javascript, python, php, Online regex tester php, pcre, javascript python highlights pattern matches fly..

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