A string is a sequence of zero or more characters. It is commonly used to represent text or a sequence of bytes.

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2answers
10 views

Java Regex - alphanumeric, allowing leading whitespace but not blank string

I've been trying to make a java regex that allows only alphanumeric characters, which can have white spaces, BUT the whole string cannot be blank... Few examples.. " hello world123" //fine ...
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votes
5answers
525 views

How to create a function which randomly jumbles a string

My main function contains a string that I would like to jumble. I have found a piece of code which passes in a char* and returns 0 when complete. I have followed the code providers instructions to ...
0
votes
1answer
9 views

MONGODB Difference between DateTime object and YYYY-MM-DD string

In MongoDB, I only need to make date range queries. But the data set is huge (9 M) and coverting a string to DateTime object (I use Perl script) and then inserting them into MongoDB is very time ...
-4
votes
2answers
51 views

Having string replace all words after x with y

Having string, how can I replace all words, special characters, numbers, what ever is next after x with y. Example: Input: String test = "Hello @\"Thomas Anderson\" how are you? Today is 06/13/2013 ...
1
vote
1answer
17 views

PL/SQL optimize searching a date in varchar

I have a table, that contains date field (let it be date s_date) and description field (varchar2(n) desc). What I need is to write a script (or a single query, if possible), that will parse the desc ...
2
votes
2answers
44 views

Add leading zeroes to a string

I want to add some leading zeroes to a string, the total length must be eight characters. For example: 123 should be 00000123 1243 should be 00001234 123456 should be 00123456 12345678 should be ...
2
votes
3answers
35 views

How can I convert string to float and back to string using a similar method?

How can you convert the string 6.78 to a float? How can you convert a float 7.89 to a string? Do both of these questions have similar answers?
0
votes
1answer
42 views

How to separate words by numbers from a string in C

I have a text file called commands.txt which contains some commands followed by some arguments. Example: STOP 1 2 4 START 5 2 1 8 MOVE CUT 0 9 I want to read every line from this text file and to ...
-5
votes
5answers
66 views

Counting Letters in String

I am trying to count the number of letters are in a string file. I want to make a Hangman game, and I need to know how many lines are need to be put there to match the amount in the word. Thanks.
0
votes
4answers
73 views

How to obtain elements from String separated by comas Java

I'm trying to obtain the values of a String, which is separated by comas. somthing like this: String str = "item1, item2,0 item3, item4, 0 item5 ...." This strange String it's because I have a KML ...
0
votes
1answer
16 views

XSL if test string comparison not working

I have some XML this looks like this: <region class="TableInfo"> text </region> <region> text </region> I want to write XSL that only preserves that part without the ...
49
votes
20answers
56k views

How do I trim leading/trailing whitespace in a standard way?

Is there a clean, preferably standard method of trimming leading and trailing whitespace from a string in C? I'd roll my own, but I would think this is a common problem with an equally common ...
0
votes
2answers
20 views

Is there a preferred method of transferring native JavaScript methods to other objects?

In the midst of doing some debugging, I came upon a situation in which it would be preferable to generalize the toUpperCase method. Here are two ways that I came up with: //Local foo = []; ...
679
votes
10answers
90k views

Why does this code print “hello world”?

I came across this piece of code, and found it rather interesting. The following print statement would print "hello world". Could anyone explain this? System.out.println(randomString(-229985452) + " ...
0
votes
1answer
64 views

Scala Converting multiline string to BigInt

I'm trying to parse 100 50-digit numbers from string with below piece of code: val input = """37107287533902102798797998220837590246510135740250 ...

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