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Remove non-numeric characters (except periods and commas) from a string
... characters and the comma and period/full stop as follows:
$testString = '12.322,11T';
echo preg_replace('/[^0-9,.]+/', '', $testString);
The pattern can also be expressed as /[^\d,.]+/
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254
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answered Jan 18 '13 at 2:33
Howard HinnantHoward Hinnant
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How to show line number when executing bash script
...or example, if your script reads:
$ cat script
foo=10
echo ${foo}
echo $((2 + 2))
Executing it thus would print line numbers:
$ PS4='Line ${LINENO}: ' bash -x script
Line 1: foo=10
Line 2: echo 10
10
Line 3: echo 4
4
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245
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216
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How to calculate a mod b in Python?
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243
There's the % sign. It's not just for the remainder, it is the modulo operation.
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