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How to remove non-alphanumeric characters?
...orld'); // helloworld
preg_replace('/[^\p{L}\p{N} ]+/', '', 'abc@~#123-+=öäå'); // abc123öäå
preg_replace('/[^\p{L}\p{N} ]+/', '', '你好世界!@£$%^&*()'); // 你好世界
Note: This is a very old, but still relevant question. I am answering purely to provide supplementary informati...
Android: Go back to previous activity
...ty that started it with startActivity()
– Anders Ullnæss
Sep 3 '14 at 18:31
I am having the user go by many activitie...
Func delegate with no return type
...at 17:06
Aarón Ibañez WerthermännAarón Ibañez Werthermänn
4122 bronze badges
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Fixed page header overlaps in-page anchors
...answered Jun 5 '19 at 21:04
François RomainFrançois Romain
9,1131212 gold badges7373 silver badges108108 bronze badges
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How to use unicode characters in Windows command line?
...rary which has these workarounds), it would not work reliably. Win8 fixes ½ of these problems with cp65001, but the rest is still applicable to Win10.
I work in cp1252. As I already said: To input/output Unicode in a console, one does not need to set the codepage.
The details
To read/write Un...
AWK: Access captured group from line pattern
...ntaine Could grep -o output captured groups?
– Olle Härstedt
Mar 7 '18 at 15:29
1
@OlleHärstedt...
What's the best way to use R scripts on the command line (terminal)?
...pr 15 '09 at 11:37
Jouni K. SeppänenJouni K. Seppänen
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Android Studio suddenly cannot resolve symbols
...wered Apr 7 '14 at 0:01
Victor HäggqvistVictor Häggqvist
4,37233 gold badges2525 silver badges3232 bronze badges
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finding and replacing elements in a list
...ution. Consider using list comprehension.
– Jean-François Corbett
Feb 2 '17 at 13:35
6
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Java: Integer equals vs. ==
... edited Jun 14 '18 at 12:30
buræquete
12.5k44 gold badges3131 silver badges6262 bronze badges
answered Sep 3 '10 at 17:06
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