大约有 2,167 项符合查询结果(耗时:0.0153秒) [XML]

https://stackoverflow.com/ques... 

Regular expression to match standard 10 digit phone number

...^(\+\d{1,2}\s)?\(?\d{3}\)?[\s.-]\d{3}[\s.-]\d{4}$ Matches the following 123-456-7890 (123) 456-7890 123 456 7890 123.456.7890 +91 (123) 456-7890 If you do not want a match on non-US numbers use ^(\+0?1\s)?\(?\d{3}\)?[\s.-]\d{3}[\s.-]\d{4}$ Update : As noticed by user Simon Weaver below, if y...
https://stackoverflow.com/ques... 

What's the best practice to round a float to 2 decimals? [duplicate]

...s 0. Do you know how to show always sign and all (2) decimals?? Example: 2.1234 --> 2.12 but 2.1 --> 2.1 but no 2.10 – vgonisanz Jan 18 '12 at 14:36 1 ...
https://stackoverflow.com/ques... 

Difference between toFixed() and toPrecision()?

...rovides x total length." does not necessarily hold. Counter example: 0.00001234.toPrecision(3) – djvg Nov 28 '18 at 8:36 add a comment  |  ...
https://stackoverflow.com/ques... 

Using String Format to show decimal up to 2 places or simple integer

... An inelegant way would be: var my = DoFormat(123.0); With DoFormat being something like: public static string DoFormat( double myNumber ) { var s = string.Format("{0:0.00}", myNumber); if ( s.EndsWith("00") ) { return ((int)myNumber).ToString(); ...
https://stackoverflow.com/ques... 

How to match “any character” in regular expression?

... flag when compiling the expression: Pattern pattern = Pattern.compile(".*123", Pattern.DOTALL); Matcher matcher = pattern.matcher(inputStr); boolean matchFound = matcher.matches(); share | improv...
https://stackoverflow.com/ques... 

Truncate (not round) decimal places in SQL Server

... select round(123.456, 2, 1) share | improve this answer | follow | ...
https://stackoverflow.com/ques... 

How to remove text from a string?

I've got a data-123 string. 11 Answers 11 ...
https://stackoverflow.com/ques... 

Validate phone number with JavaScript

...fectly. It validates that the phone number is in one of these formats: (123) 456-7890 or 123-456-7890 26 Answers ...
https://stackoverflow.com/ques... 

Best practice for partial updates in a RESTful service

...would I construct an URI if I want the system to send an email to customer 123? Something like a pure RPC method call that doesn't change the state of the object at all. What is the RESTful way of doing this? – magiconair Mar 14 '10 at 20:08 ...
https://stackoverflow.com/ques... 

How to output only captured groups with sed?

...e output as well as specifying what you do want. string='This is a sample 123 text and some 987 numbers' echo "$string" | sed -rn 's/[^[:digit:]]*([[:digit:]]+)[^[:digit:]]+([[:digit:]]+)[^[:digit:]]*/\1 \2/p' This says: don't default to printing each line (-n) exclude zero or more non-digits i...