gsub

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lua gsub special replacement producing invalid capture index

I have a piece of lua code (executing in Corona): local loginstr = \"emailAd开发者_JAVA技巧dress={email} password={password}\"[详细]

2023-04-13 04:48 分类：问答
Regex getting text inside

I have been trying to grab a first location name inside the sentences. The desired location name will exactly starts at the 2nd capital of the 开发者_开发知识库first sentence and then precisely end be[详细]

2023-04-13 02:10 分类：问答
I keep getting a can't convert nil to String but can't debugy in Rails 3

How can I code this so that the exception will output which method and specific instance of contact is the problem?[详细]

2023-04-11 08:39 分类：问答
How to determine if there is a match an return true or false in rails?

I want to create a test that returns either true or false for email handling. For now, if the email address starts with r+ then it\'s true otherwise it\'s false. This will help our server ignore a lo[详细]

2023-04-04 08:29 分类：问答
Lua: Escaping literal % inside string.gsub and the capture %2

Basic question but I\'ve been trying to figure out for a while with no luck. I am processing urls and need to do a simple replacement.[详细]

2023-03-31 06:39 分类：问答
Can`t remove a new line

I have a model, wich has a unique token, to be changed every time the model is saved. i`m using before_filter to change the token, and it is working, the problem is:[详细]

2023-03-30 09:09 分类：问答
Rails 3: how to use gsub or to replace whitespace characters with "-"?

I have an Artist model is name:string. and I want /u开发者_C百科sers/1/artists/jimi-hendrix/posts instead of what I have now which is /users/1/artists/1/posts[详细]

2023-03-24 13:11 分类：问答
replace words in R data.frames (Text Mining)

I\'m working on a Text Mining Solution with SQL and R. First I Import Data into R from my SQL selection and than I do data mining stuff with it.[详细]

2023-03-23 01:24 分类：问答
Problems with replacing into string

I\'m trying to execute code like this: template = \" ... here html tags [sitename] ... here html tags \" template = template.gsub(/\\[sitename\\]/,\"http://google.com\")[详细]

2023-03-18 20:41 分类：问答
removing certain escaped characters in ruby string using gsub and regex

I am dealing with some long strings in ruby which can have some weird escaped characters. For example, one string that is causing problems for me is like:[详细]

2023-03-17 14:06 分类：问答