When Multilink is used for the first time under Win10, it may appear that the debugger cannot be found during Debug, and the PE software Firmware Update Utility cannot find the debugger. At this ti
Regular expression – What is the regular expression of the Jabber ID?
Now I am using this regular expression:
^\A([a-z0-9\.\ -_\+]+)@((?:[-a-z0-9]+\.)+[az]{2,})\Z$ I think this is not very good. So what is the best regular expression you have or have seen when
Regular expressions match characters for specific locations
I need to come up with a regular expression to find only the letters A, F or E in the 9th digit of a given text. I am new to regex and did some searching, but I can’t find it To any similar reply.
Regular expression mobile phone number verification and mailbox verification
1. Realize regular expression mobile phone verification.
Common mobile phone numbers are all 11 digits
The first 3 digits indicate the region and the operator
Regular expression ^
Strive_tan shell programming actual combat 2-distribution system
1. Expect applications
1) Transfer files
2) Execute commands remotely, no interaction, no need to enter a password
3) The core of the online shell script (tool) is expect, which i
Regular expression – strings in the single click using Perl
My opinion:
my $tmp = “rrccllrrc”; Expected output :
$tmp = “right right center center left left right right center”; #End should not be spaced definitely. My code:< /p>
$tmp=~s/c
Shell Training Day8 8.22
while loop
? Syntax while condition; do…; done
? Case 1
#!/bin/bash
while :
do
load=w|head -1|awk -F’load average: ”{print $2}’|cut -d. -f1
if [$load -gt 10 ]
then
top|mail -s “load is high:
Regular expression – hold the first two parts of the string have separator
Is there a more concise/perfect way of the following:
my @components = split /-/, $original ;
my $final_string = $components[0].”-“.$components[1]; The input is a maximum of 2 strings-the las
Win10 dual system installation Linux (manjaro) record
Choose a release For the selection of a release, please refer to this website (http://www.distrowatch.org/) to see related information , For reference only.
After repeated selection, I still choo
Shell script prints parallelogram, diamond
Shell script printing parallelograms #!/bin/ bash
for ((i=1;i<= 9;i++))
do
for ((j=9;j>=i;j- -))
do
echo -n ” ”
done
for ((j=2;j<= i;j++)) do echo -n "*" done for ((j=1;j<