What’s the best way to check if a String contains a URL in Java/Android? Would the best way be to check if the string contains |.com | .net | .org | .info | .everythingelse|? Or is there a better way to do it? The url is entered into a EditText in Android, it could be a pasted url or it
Tag: string
System.out.print() doesn’t send any output to Eclipse console. Why?
I have the following Java class: When I run this code in Eclipse IDE, I don’t see any output in Eclipse console. If I change value 1448 and set for example 1447 or less, I see output in console (12345678…) So, maybe Eclipse IDE has restrictions on string length in console? What do you think about …
formatting a string to a currency format in jasper report
I have a string with some numeric value. I want to format it in a way where hundreds are comma separated and the number is having $ dollar sign before it. e.g. 12345 should be formatted to $ 12,345.00 I tried the below code without dollar sign: and the below one with dollar sign: However, both are giving erro…
Check if a String is in an ArrayList of Strings
How can I check if a String is there in the List? I want to assign 1 to temp if there is a result, 2 otherwise. My current code is: Answer
How to change spaces to underscore and make string case insensitive?
I have following question. In my app there is a listview. I get itemname from listview and transfer it to the webview as a string. How to ignore case of this string and change spaces to underscores? For example: String itemname = “First Topic”. I transfer it to the next activity and want to ignore…
Java – Split String into sentences with character limitation
I want to split a text into sentences (split by . or BreakIterator). But: Each sentence mustn’t have more than 100 characters. Example: To: (3 elements, without breaking a word, but a sentence) How can I do this properly? Answer Solved (thank you Macarse for the inspiration):
Fastest way to iterate over all the chars in a String
In Java, what would the fastest way to iterate over all the chars in a String, this: Or this: EDIT : What I’d like to know is if the cost of repeatedly calling the charAt method during a long iteration ends up being either less than or greater than the cost of performing a single call to toCharArray at …
How to determine if a String has non-alphanumeric characters?
I need a method that can tell me if a String has non alphanumeric characters. For example if the String is “abcdef?” or “abcdefà”, the method must return true. Answer Using Apache Commons Lang: Alternativly iterate over String’s characters and check with: You’ve still one p…
Remove trailing comma from comma-separated string
I got String from the database which have multiple commas (,) . I want to remove the last comma but I can’t really find a simple way of doing it. What I have: kushalhs, mayurvm, narendrabz, What I want: kushalhs, mayurvm, narendrabz Answer To remove the “, ” part which is immediately followe…
Trim String in Java while preserve full word
I need to trim a String in java so that: The quick brown fox jumps over the laz dog. becomes The quick brown… In the example above, I’m trimming to 12 characters. If I just use substring I would get: The quick br… I already have a method for doing this using substring, but I wanted to know w…