One(.whitespace) Capture(OneOrMore(.digit)) ZeroOrMore(.whitespace) Optionally(OneOrMore(.hexDigit)) } 使用该正则表达式解析json: letcolors=["red: 255 FF","green: 0","blue: 128 80"]forcolorincolors{ifletmatch=color.wholeMatch(of:colorRegex){print(match.1,match.2)}}// red 255// g...
However, this version requires an'am', 'pm' , 'a.m.', or 'p.m.'to be part of the string. To make this optional I tried to change the timeWithoutSec Regex to: let timeWithoutSec = Regex { hourReg One(":") minuteReg ZeroOrMore(.whitespace) ZeroOrMore { ampmReg } }.ignoresC...
Verbose Mode:In regular expressions, the “verbose mode” provides a way to write more readable and organized patterns by including comments and extra whitespace. It’s enabled using the ‘x’ modifier, and the pattern is defined as “/pattern/x”. With verbose mode, you can add comments us...
OneOrMore(.whitespace) } // timecode section Optionally { Capture { OneOrMore(.digit) } transform: { match in Int(match) } ":" } TryCapture { OneOrMore(.digit) } transform: { match in Int(match) } ":" // seconds TryCapture { OneOrMore(.digit) Optionally { // miliseconds "....
Any non-whitespace character \S Any digit \d Any non-digit \D Any word character \w Any non-word character \W Match everything enclosed (?:...) Capture everything enclosed (...) Zero or one of a a? Zero or more of a a* One or more of a a+ Exactly 3 of a a{3} 3 or ...
either of (digit, letter) (?:[0-9]|[a-z]) exactly 3 {3} exactly 4 times {4} letter [a-z] letter from g to m [g-m] literally "stuff" (?:stuff) multi line /regex/m must end $ never or more * new line \n no character \W no whitespace \S no word \W none of "xyz...
The call to the Replace(String, String, MatchEvaluator, RegexOptions) method includes the RegexOptions.IgnorePatternWhitespace option so that the comment in the regular expression pattern \w+ # Matches all the characters in a word. is ignored by the regular expression engine. C# Copy Run using...
Next, there is one more group of 3 digits d{3} followed by any hyphen, period or whitespace [\-\.\s]? appearing 0 or 1 time. The last group of 4 digits \d{4} is followed by a word boundary \b to make it clear that a phone number cannot be part of a bigger number. ...
\sAny whitespace character, short for [\t\n\x0B\f\r] \SAny non-whitespace character, short for [^\s] \wAny word character, short for [a-zA-Z_0-9] \WAny non-word character, short for [^\w] \bA word boundary \BA non word boundary ...
\S Non-whitespace \w Alphanumeric, [a-zA-Z0-9_] \W Non-alphanumeric \d Digits, [0-9] \D Non-digitsUsageRegex regex; regexCompile(®ex, "[Hh]ello [Ww]orld\\s*[!]?"); if (!regex.isPatternValid) { printf("Error: %s\n", regex.errorMessage); return 1; } Matcher matcher...