replace

问题 I've had a search about here, and nothing seems to be on the topic of replacing tab characters, I was wondering if anybody can suggest to me any easy ways to replace the tab characters with 4x 'space' characters in over 5,000 files! The files are .java files on an SVN server. I can think of some ways using java (the language i am most comfortable with) to read in the file and replace that way, but I am sure there is probably an easier way of doing this! 回答1: It is possible of course. But you

问题 I am attempting to replace a character with another one. For some reason stringByReplacingCharactersInRange does not work. I have not found a simple explanation on how to resolve this issue. var binaryColor: String = "000" (binaryColor as NSString).stringByReplacingCharactersInRange(NSMakeRange(0, 1), withString: "1") println("This is binaryColor0: \(binaryColor)") The result is 000 and not 100. Thanks for any help! 回答1: You don't need to cast it to NSString to use

问题 I am attempting to replace a character with another one. For some reason stringByReplacingCharactersInRange does not work. I have not found a simple explanation on how to resolve this issue. var binaryColor: String = "000" (binaryColor as NSString).stringByReplacingCharactersInRange(NSMakeRange(0, 1), withString: "1") println("This is binaryColor0: \(binaryColor)") The result is 000 and not 100. Thanks for any help! 回答1: You don't need to cast it to NSString to use

问题 I have a document with paragraphs where some sentences end with a dot and one space (". Nextline") , while others end with a dot and two spaces (". Nextline") . I want to replace replace dot and one space to dot and two spaces but without increasing existing dot and two spaces to dot and three spaces. The sentences of paragraph are not ending with newline or "\n", except the last one. There will be a newline character at the end of the paragraph. I want to start each sentence with 2 spaces,

问题 In my table I have a column Segment_No which has duplicates. Now I want to update those duplicates. For example: the value 249X5601 is present in two rows. I want to change the second value to 249X5601R 回答1: The general form would be as follows: ;with AllRows as ( select Donation_ID,Registration_No,Segment_No, ROW_NUMBER() OVER ( PARTITION BY Segment_No order by <Suitable_Column> ) as rn from UnnamedTable ) update AllRows set Segment_no = <New_Value> where rn > 1 Where <Suitable_Column> gives

问题 I'm searching for a solution to this case: I have a Method inside a DLL that receive a string that contains some words as "placeholders/parameters" that will be replaced by a result of another specific method (inside dll too) Too simplificate: It's a query string received as an argument to be on a method inside a DLL, where X word that matchs a specifc case, will be replaced. My method receive a string that could be like this: (on .exe app) string str = "INSERT INTO mydb.mytable (id_field,

问题 I'm searching for a solution to this case: I have a Method inside a DLL that receive a string that contains some words as "placeholders/parameters" that will be replaced by a result of another specific method (inside dll too) Too simplificate: It's a query string received as an argument to be on a method inside a DLL, where X word that matchs a specifc case, will be replaced. My method receive a string that could be like this: (on .exe app) string str = "INSERT INTO mydb.mytable (id_field,

问题 I wish to replace some specific spans with buttons, and the spans that I wish to replace has the same class names. How could I replace the spans (to buttons) if they contains either of "apple" or "banana", but other spans with "orange" or "kiwi" I don't want to select? From: <span class=> "kiwi" </span> <span class=> "apple" </span> <span class=> "orange" </span> <span class=> "banana" </span> To: <button> "apple" </button> <button> "banana" </button> Code: function replaceElement (source,

问题 I wish to replace some specific spans with buttons, and the spans that I wish to replace has the same class names. How could I replace the spans (to buttons) if they contains either of "apple" or "banana", but other spans with "orange" or "kiwi" I don't want to select? From: <span class=> "kiwi" </span> <span class=> "apple" </span> <span class=> "orange" </span> <span class=> "banana" </span> To: <button> "apple" </button> <button> "banana" </button> Code: function replaceElement (source,

问题 I am using PHP and I am trying to remove all underscore characters from the end and beginning of a string. Here's the string: ____a_b_c__________ And I want the result to be: a_b_c I have tried with this regular expression but it's not working: preg_replace('/[^a-z]+\Z/i', '', '____a_b_c__________'); 回答1: Why not just use trim: $string = trim($string, '_'); Regex is for pattern matching ___ is not a pattern it's just underlines. But if I was gonna use a Regex, I'd do something like this: