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How to remove all white spaces in java [duplicate]

... java.lang.String class has method substring not substr , thats the error in your program. Moreover you can do this in one single line if you are ok in using regular expression. a.replaceAll("\\s+",""); ...
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How to make a cross-module variable?

...r clarification, globalbaz.py looks just like this: var_name = "my_useful_string" share | improve this answer | follow | ...
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Regular Expression to match string starting with “stop”

How do I create a regular expression to match a word at the beginning of a string. We are looking to match stop at the beginning of a string and anything can follow it. ...
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How to check if string input is a number? [duplicate]

How do I check if a user's string input is a number (e.g. -1 , 0 , 1 , etc.)? 24 Answers ...
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How to get the size of a string in Python?

For example, I get a string: 5 Answers 5 ...
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How to convert string to char array in C++?

I would like to convert string to char array but not char* . I know how to convert string to char* (by using malloc or the way I posted it in my code) - but that's not what I want. I simply want to convert string to char[size] array. Is it possible? ...
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Format timedelta to string

... You can just convert the timedelta to a string with str(). Here's an example: import datetime start = datetime.datetime(2009,2,10,14,00) end = datetime.datetime(2009,2,10,16,00) delta = end-start print(str(delta)) # prints 2:00:00 ...
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Difference between “\n” and Environment.NewLine

...pends on the platform. On Windows it is actually "\r\n". From MSDN: A string containing "\r\n" for non-Unix platforms, or a string containing "\n" for Unix platforms. share | improve this ...
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How do I split a multi-line string into multiple lines?

I have a multi-line string literal that I want to do an operation on each line, like so: 6 Answers ...
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How to construct a timedelta object from a simple string

I'm writing a function that needs a timedelta input to be passed in as a string. The user must enter something like "32m" or "2h32m", or even "4:13" or "5hr34m56s"... Is there a library or something that has this sort of thing already implemented? ...