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Replace all non Alpha Numeric characters, New Lines, and multiple White Space with one Space
...ence between the regex patterns on different browsers with different sized strings.
So basically i used jsPerf on
Testing in Chrome 65.0.3325 / Windows 10 0.0.0
Testing in Edge 16.16299.0 / Windows 10 0.0.0
The regex patterns i tested were
/[\W_]+/g
/[^a-z0-9]+/gi
/[^a-zA-Z0-9]+/g
I load...
How to read a single char from the console in Java (as the user types it)?
...jCurses might be interesting, though.
On a Unix system, this might work:
String[] cmd = {"/bin/sh", "-c", "stty raw </dev/tty"};
Runtime.getRuntime().exec(cmd).waitFor();
For example, if you want to take into account the time between keystrokes, here's sample code to get there.
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Types in Objective-C on iOS
...e:
32 bit process:
NSLog(@"Primitive sizes:");
NSLog(@"The size of a char is: %d.", sizeof(char));
NSLog(@"The size of short is: %d.", sizeof(short));
NSLog(@"The size of int is: %d.", sizeof(int));
NSLog(@"The size of long is: %d.", sizeof(long));
NSLog(@"The size of long long is: %d....
How to remove line breaks from a file in Java?
How can I replace all line breaks from a string in Java in such a way that will work on Windows and Linux (ie no OS specific problems of carriage return/line feed/new line etc.)?
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Regex match everything after question mark?
...entheses are a capturing group that you can use to extract the part of the string you are interested in.
If the string can contain new lines you may have to use the "dot all" modifier to allow the dot to match the new line character. Whether or not you have to do this, and how to do this, depends o...
When should I use File.separator and when File.pathSeparator?
In the File class there are two strings, separator and pathSeparator .
3 Answers
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Convert hyphens to camel case (camelCase)
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Try this:
var camelCased = myString.replace(/-([a-z])/g, function (g) { return g[1].toUpperCase(); });
The regular expression will match the -i in marker-image and capture only the i. This is then uppercased in the callback function and replaced.
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How to convert an Int to a String of a given length with leading zeros to align?
How can I convert an Int to a 7-character long String , so that 123 is turned into "0000123" ?
7 Answers
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How do I do string replace in JavaScript to convert ‘9.61’ to ‘9:61’?
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return value + ' ' + this.className;
});
This example appends the string "
items" to the text inputs' values.
This requires jQuery 1.4+.
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In Java, is there a way to write a string literal without having to escape quotes?
Say you have a String literal with a lot of quotation marks inside it. You could escape them all, but it's a pain, and difficult to read.
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