If you memorize infrequently used code, you are wasting mental storage space- reference notes!
--------
NETWORK-----------------------------------------------------------
--------------------------------------
WINDOWS BUILTIN CMDs-------------------------------------
//converting Windows back slashes to Unix forward slashes
SET string=C:\Users\Admin\Desktop\DeskDEV\
ECHO %string:\=/%
//converting Unix forward slashes to Windows back slashes
SET string=C:/Users/Admin/Desktop/DeskDEV/
ECHO %string:/=\%
netsh interface ip show config
netsh interface ip set address "Local Area Connection" static 192.168.0.10 255.255.255.0 192.168.0.254
netsh interface ip set address "Local Area Connection" dhcp
netsh http show urlacl
netsh int tcp set heuristics disabled
netsh int tcp set global autotuninglevel=disabled
netsh int tcp set global rss=enabled
netsh int tcp show global
netsh winsock reset
netsh int ip reset
ipconfig /release
ipconfig /renew
ipconfig /flushdns
ipconfig /registerdns
msdt.exe -id NetworkDiagnosticsWeb
msdt.exe -id NetworkDiagnosticsInbound
msdt.exe -id NetworkDiagnosticsNetworkAdapter
ipconfig
sfc /scannow
driverquery
ping and pathping
tasklist and taskkill
nslookup
sigverif
doskey /history
netstat
cipher
getmac
net user
arp
nbstat
logman
route
shutdown
assoc
schtasks
attrib
auditpol
bcdboot
bcdedit
bootcofg
bootsect
cacls
call
cd
certreq
certutil
chcp - (active code page)
checknetisolation
chkdsk
chkntfs
choice - ([Y,N]? prompt in .bat)
cipher - (enc status of files)
clip
cls
cmstp - (connectionMgr interesting*)
comp - (basic file diff)
compact - (compress)
convert - (file system type)
copy
cscript - (execute vbs, etc.)
date
debug - (only on DOS && 32bit Windows)
defrag
del
deltree
dir
diskpart*
diskperf
diskraid
dism - (dply .isos)
dispdiag
djoin - (join domain)
driverquery - (all driver information!)
echo
endlocal - (break out of a script's localalized context)
erase
esentutl - (storage engine mgmt)
eventcreate
expand - (unzip archive)
Extrac32 - (unzip .cab)
extract - (unzip archive)
fc - (compare file sets)
find - (srch for text in file or files)
Findstr - (regex "")
finger - user(s) info
Fltmc - (filter driver installer)
fondue - (new/experimental Windows features)
format - (format drive for some file system)
fsutil - (filesys utiles)
ftp - (chell for ftp comms; "quit")
ftype - default programs
getmac - get MAC of all network controllers on system
gpresult - (grp policy)
gpupdate
icacls
iscsicli - (iSCSI initiator)
klist - Kerberos tickets
Ksetup - (for a kerberos-enabled server)
ktmutil - (kernal transaction mgr utility)
label - (volume label of disks)
licensingdiag - (Windows product activation info)
loadhigh(lh), lock - (old DOS cmds)
lodctr - (registry values for perf counters)
logman - (event trace session)
logoff - (until Win7)
makecab - (cainet maker)
manage-bde - (Bitlocker drive enc)
mklink - (create symbolic link)
mode - (COM/LPT ports - check "CON" device further)
mofcomp - .mof* file display
more
mount - (until SFU was discontinued...)
mountvol - (use this instead)
move
mrinfo - (rounter info)
msg
msiexec - (start an install)
muiunattend - (unattended install)
nbtstat - (see connection info)
net - (cfg network settings)
net1 - ("" "" Y2K issue wkrnd/patch for net)
netcfg - (installs WinPE)
netsh - (network shell, net mgmt)
netstat - (displays listening ports, connects)
nltest - (test secure channels between machines across trusted domains)
nslookup - (hostname from IP)
openfiles - (remote cmd)
path
pathping - (tracert w/net latency, more info)
pause - (Press any key to continue...)
ping
pkgmgr - (windows pkg mgr)
pnpunattend - (unattended driver install)
pnputil
popd
powercfg
print
prompt
pushd
rasautou
rasdial*
rcp - (deprecated)
rd
reagentc - (win recovery)
recover - (recover a file deleted, but not yet overwritten)
reg - (registry cmds)
regini - (hange registry permissions and registry values from the command line)
Regsvr32 - (register .dll as component)
relog - (new perf append to existuing perf data)
rem
ren
repair-bde - (Bitlocker repair)
replace
rmdir
robocopy - (robust copy)
route - (maniupulate network routing tables)
Rpcping
runas
schtasks
sdbinst - (SDB db files, used by OpenOffice)
secedit - (compare current sec levels to a template to ensure no unneeded access, etc.)
setspn - (set service principle name for an AD account)
setx - (user env variable config)
sfc - (System File Checker)
shutdown - (automate poweroff)
sort
sxstrace - tracing
subst - (assoc local path with drive letter; similiar to net use)
takeown - regain access to object
taskkill - (force kill a process)
tasklist - (running proccesses; used by taskmgr.exe, etc.)
tcmsetup - (to set up or disable the Telephony Application Programming Interface (TAPI) client)
telnet
tftp (deprecated?)
time
timeout
title - (cmd prompt window label)
tracerpt - trace rpt
tracert - Internet Control Message Protocol (ICMP) Echo Request messages to a specified remote computer with increasing Time to Live (TTL) field values and displays the IP address and hostname, if available, of the router interfaces between the source and destination.
tree - (awesome)
typeperf - (cmd perf data)
tzutil - (time zones)
unlodctr - (uninstalls a perf counter in registry)
vaultcmd - (manage Windows stored creds)
ver
vol
vssadmin - (volume shadow copy admin)
w32tm - (windows time)
wecutil - (win evt collector)
where - (find by regex)
whoami
winmgmt - (WMI)
winrm - (remote mgmt)
winrs - (remote sh)
winsat - (system assesment tool)
wmic - (WMI CLI)
wsmanhttpconfig
xcopy
xwizard - (register data in Windows, often from a preconfigured XML file)
-------
POWERSHELL---------------------------------------------------
Get-Command -Name {..}
get-alias
Get-Help Get-EventLog
Get-ChildItem c:/
$var
(no concept of scope- ALL is glbl)
Remove-Item
//ex. of getting some scv column data...
Get-Command -Verb Export | Select-Object CommandType, Name, Version, Source | Export-Csv -NoTypeInformation -Path C:\NewFolder\ExportCommands.CSV
//Outfile is useful
Get-Command -Verb Export | Select-Object CommandType, Name, Version, Source | Out-File C:\NewFolder\ExportCommands.txt
Get-Process -Id 10500 | Stop-Process
Get-EventLog -LogName System -Newest 5
Clear-EventLog "Windows PowerShell"
Get-WmiObject -List -Class Win32*
Enter-PSSession Computer1
Invoke-Command -ComputerName Computer1, Computer2, Computer3, -ScriptBlock {Get-Process}
//Create a new (persistant) session, and save it
$session = New-PSSession -ComputerName Computer1, Computer2
Set-ExecutionPolicy
Get-ExecutionPolicy
Get-Service | Where-Object {$_.status -eq "stopped"}
//Create html from basic data structs (in this case, ps cmdlet aliases)
get-alias | convertto-html > aliases.htm
invoke-item aliases.htm
Get-EventLog -Log "Application"
Stop-Process -processname note*
Get-Service | Where-Object {$_.Status -eq 'Running'}
Get-AuthenticodeSignature somescript.ps1 @(Get-ChildItem cert:\CurrentUser\My -codesigning)[0] -IncludeChain "All" -TimestampServer "http://timestamp.verisign.com/scripts/timstamp.dll"
Get-Process | ForEach-Object {Write-Host $_.name -foregroundcolor cyan}
Clear-Content C:\Temp\TestFile.txt
Clear-Content -path * -filter *.TXT –force (all text files force clear)
Checkpoint-Computer -Description "My 2nd checkpoint" -RestorePointType "Modify_Settings"
Get-ComputerRestorePoint | format-list
Compare-Object $obj1 $obj2
[string[]]$arrayFromFile = Get-Content -Path 'C:\someplace\file.txt'
foreach ($uri in $arrayFromFile) {
yt-dl -f 140 $uri
}
$settings = $TextData | ConvertFrom-StringData
ConvertTo-SecureString [-String] SomeString
Get-Service wuauserv -ComputerName chi-dc04,chi-p50,chi-core01 |
Export-Clixml -Path c:\work\wu.xml
Get-AppLockerPolicy
New-ItemProperty
$ourObject = New-Object -TypeName psobject
/////////////////////////////////////////////////////
$url = http://<webapp>.azurewebsites.net/CreateSite.asmx
$proxy = New-WebServiceProxy $url
$spAccount = "<username>"
$spPassword = Read-Host -Prompt "Enter password" –AsSecureString
$projectGuid = ""
$createOneNote = $false
$proxy | gm -memberType Method
New-WSManInstance winrm/config/Listener
-SelectorSet @{Address="*";Transport="HTTPS"}
-ValueSet @{Hostname="Test01";CertificateThumbprint="01F7EB07A4531750D920CE6A588BF5"}
/////////////////////////////////////////////////////
Get-Process | Sort-Object name -Descending | Select-Object -Index 0,1,2,3,4
New-Alias np c:\windows\system32\notepad.exe
Set-StrictMode
Wait-Job
Write-Progress -PercentComplete (($var1/$var2) * 100))
$job = Start-Job -ScriptBlock { Set-PSBreakpoint C:\DebugDemos\MyJobDemo1.ps1 -Line 8; C:\DebugDemos\MyJobDemo1.ps1 }
Debug-Job $job
Get-Counter -Counter "\Processor(_Total)\% Processor Time" -SampleInterval 2 -MaxSamples 3
Test-Path C:\Scripts\Archive
Get-WinEvent -ListLog *
Invoke-TroubleshootingPack (Get-TroubleshootingPack C:\Windows\diagnostics\system\networking)
Measure-Command
Get-Process | Measure-Object VirtualMemorySize -Sum
New-EventLog -LogName Wtf_Log -Source SomewhereOutThere
Receive-Job -Name HighMemProcess
Register-EngineEvent PowerShell.Exiting -Action {"PowerShell exited at " + (Get-Date) | Out-File c:\log.txt -Append}
Register-ObjectEvent
Remove-Event
Set-PSDebug
Start-Sleep
Tee-Object
Test-AppLockerPolicy
Test-ComputerSecureChannel
Trace-Command
Write-Debug "`$return has $($return.count) items"
-------
VISUAL STUDIO----------------------
Ctrl+, . for Autosuggest
Sort usings by Right-click on using references
--------
.NET------------------------------------------------------
-------------------------
-C#--------------------------------------
//switch expression*
car foo = line switch {
case 0: foo = 1; break;
case 0: foo = 1; break;
default: for = 0; break;
}
XDocument.Parse is for string XML
XDocument.Load is for XML *Files*
[,] is multidimensional array and [][] is array of arrays.
//collection initializer
List<Coord> ls = new List<Coord>() { new Coord { x = 1, y = 2 }, new Coord { x = 11, y = 12 }};
//lambda expression value
var filteredList = list.Where(o => o.id == targetGUID);
//Make the internals visible to the test assembly for unit testing private dependencies, etc.
[assembly: InternalsVisibleTo("MyTestAssembly")] in the AssemblyInfo.cs file.
//Obsolete attribute to warn that an assembly may go away and that alternatives should be used asap
Obsolete("This method will be deprecated soon. You could use XYZ alternatively.")]
//To prevent a repetition of the execution, change the LINQ result to List after execution
var result = masterCollection.Where(i => i > 100).ToList();
Console.WriteLine(result.Count()); //no extra Linq executions
Console.WriteLine(result.Average()); //no extra Linq executions
//catch Generic Exception and throw for more detail
catch (Exception)
throw;
//Generic Type using a common Interface
protected class MyGenricClass<T> where T : IMyInterface
public void MyGenericMethod<T>(T t) where T : IMyInterface
//using obj reference for brevity and cleaner code
using (SqlConnection conn = new SqlConnection(strConnection)) { ... }
//aslias namespaces for brevity if you need to explicitly spell out the namespace anywhere
using Excel = Microsoft.Office.Interop.Excel;
var excelapp = new Excel.Application();
//object initializer
Janitor jenkins = new Janitor() { Name = "Jenkins", Address = "1212 DeplPipelnSciptzzz" };
//null checks
if (string.IsNullOrEmpty(s))
//Connection String
"Server=myServerAddress;Database=myDataBase;User Id=myUsername;
Password=myPassword;"
//Entity Framework Optimizer/Escape Hatch
using (var db = new MyContext())
{
db.Query<FooBar>().FromSql("SELECT ProductID, udf_GetNameFromId(ID3) FROM Products");
}
//JSON Serialize and Deserialize with Newtonsoft
string serial = JsonConvert.SerializeObject(genericObject);
var deserial = JsonConvert.DeserializeObject<APIGenericItemsResponse>(await response.Content.ReadAsStringAsync());
//XML Serialize using System.Xml.Serialization
public void TestSerialize(XMLEntityCollection ents)
{
XmlSerializer xmlSerializer = new XmlSerializer(ents.GetType());
using (StringWriter stringWriter = new StringWriter())
{
xmlSerializer.Serialize(stringWriter, ents);
Assert.IsNotNull(stringWriter);
}
}
//XML Deserialize using System.Xml.Serialization
XmlSerializer serializer = new XmlSerializer(typeof(XMLEntityCollection));
using (StringReader reader = new StringReader(xml))
{
XMLEntityCollection ents = (XMLEntityCollection)serializer.Deserialize(reader);
TestSerialize(ents);
}
-------------------------
VB--------------------------------------
Dim i As Integer = 1
Begin Function(ByVal a As String) As Double
Return 37
End Function
Namespace MyNamespace
End Namespace
Public Class Manager
Inherits Employee
End Class
Public Overridable Function CalculateSalary() As Integer
End Function
Public Overrides Function CalculateSalary() As Integer
End Function
MyBase (
base in C#)
Public Interface IEmployee
Property EmployeeID() As Integer
Property Name() As String
Property Age() As Integer
Function CalculateSalary() As Integer
End Interface
Public Class Manager
Implements IEmployee
End Class
--------
PYTHON-----------------------------
#cool-youtube-API
youtube-dl -f 140 $uri
#formatting opts for youtube-dl
[info] Available formats for P9pzm5b6FFY:
format code extension resolution note
140 m4a audio only DASH audio , audio@128k (worst)
160 mp4 144p DASH video , video only
133 mp4 240p DASH video , video only
134 mp4 360p DASH video , video only
135 mp4 480p DASH video , video only
136 mp4 720p DASH video , video only
17 3gp 176x144
36 3gp 320x240
5 flv 400x240
43 webm 640x360
18 mp4 640x360
22 mp4 1280x720 (best)
#reverse string
a = "NotPalindrome"
print("Reverse is",a[::-1])
#transpose matrix
mat = [[1, 2, 3], [4, 5, 6]]
zip(*mat)
#store array as indiv vars
a = [1, 2, 3]
x, y, z = a
#print array elments as string
a = ["This", "is", "a", "string"]
print(" ".join(a))
#print coords of 2 combined lists
list1 = ['a', 'b', 'c', 'd']
list2 = ['p', 'q', 'r', 's']
for x, y in zip(list1,list2):
... print(x, y)
#switch var vals in 1 line
a=2
b=4
b, a =a, b
#execute recursion without loops
print("cool"*2+' '+"beans"*5)
#convert matrix to list without loop
import itertools
a = [[1, 2], [3, 4], [5, 6]]
list(itertools.chain.from_iterable(a))
-------
JAVASCRIPT------------------------------------
//Use "var" or "let" when creating any variables Assignment to an undeclared variable automatically //results in a global variable being created.
Avoid global variables.
var a = 'not Globl';
=== instead of == (former compares value and type)
//Be careful when using typeof, instanceof and constructor.
var arr = ["a", "b", "c"];
typeof arr; // return "object"
arr instanceof Array // true
//get random item from an array
var items = [12, 548 , 'a' , 2 , 5478 , 'foo' , 8852, , 'Doe' , 2145 , 119];
var randomItem = items[Math.floor(Math.random() * items.length)];
//get random number in a specific range
var x = Math.floor(Math.random() * (max - min + 1)) + min;
//Trim String prototype extension function
String.prototype.trim = function(){return this.replace(/^s+|s+$/g, "");};
//Append array to array
var array1 = [12 , "foo" , {name "Joe"} , -2458];
var array2 = ["Doe" , 555 , 100];
Array.prototype.push.apply(array1, array2);
//Object to Array
var argArray = Array.prototype.slice.call(arguments);
//Verify numeric
function isNumber(n){
return !isNaN(parseFloat(n)) && isFinite(n);
}
//verify Array type
function isArray(obj){
return Object.prototype.toString.call(obj) === '[object Array]' ;
}
//Max and Min
var numbers = [5, 458 , 120 , -215 , 228 , 400 , 122205, -85411];
var maxInNumbers = Math.max.apply(Math, numbers);
var minInNumbers = Math.min.apply(Math, numbers);
//Empty the array
var myArray = [12 , 222 , 1000 ];
myArray.length = 0;
//use splice() not delete() for removing JS array elements
var items = [12, 548 ,'a' , 2 , 5478 , 'foo' , 8852, , 'Doe' ,2154 , 119 ];
items.length; // return 11
items.splice(3,1) ;
items.length; // return 10
//use map() to loop through array
var squares = [1,2,3,4].map(function (val) {
return val * val;
});
//rounding a decimal numeric
var num =2.443242342;
num = num.toFixed(4);
//check object props
for (var name in object) {
if (object.hasOwnProperty(name)) {
// do something with name
}
}
//Serialize and Deserialize
var person = {name :'Saad', age : 26, department : {ID : 15, name : "R&D"} };
var stringFromPerson = JSON.stringify(person);
/* stringFromPerson is equal to "{"name":"Saad","age":26,"department":{"ID":15,"name":"R&D"}}" */
var personFromString = JSON.parse(stringFromPerson);
/* personFromString is equal to person object */
//Best/fastest JS looping structure
var sum = 0;
for (var i = 0, len = arrayNumbers.length; i < len; i++) {
sum += arrayNumbers[i];
}
//Pass functions (not string ref of function) to SetTimeout() and SetInterval()
setInterval(doSomethingEverySecond, 1000);
setTimeout(doSomethingEveryFiveSeconds, 5000);
//Clone a type
function clone(object) {
function OneShotConstructor(){};
OneShotConstructor.prototype= object;
return new OneShotConstructor();
}
clone(Array).prototype ; // []
//HTML escape function
function escapeHTML(text) {
var replacements= {"<": "<", ">": ">","&": "&", """: """};
return text.replace(/[<>&"]/g, function(character) {
return replacements[character];
});
}
//Set timeouts on async function calls
var xhr = new XMLHttpRequest ();
xhr.onreadystatechange = function () {
if (this.readyState == 4) {
clearTimeout(timeout);
// do something with response data
}
}
var timeout = setTimeout( function () {
xhr.abort(); // call error callback
}, 60*1000 /* timeout after a minute */ );
xhr.open('GET', url, true);
xhr.send();
//deal with websocket timeout
var timerID = 0;
function keepAlive() {
var timeout = 15000;
if (webSocket.readyState == webSocket.OPEN) {
webSocket.send('');
}
timerId = setTimeout(keepAlive, timeout);
}
function cancelKeepAlive() {
if (timerId) {
cancelTimeout(timerId);
}
}
-------
T-SQL-----------------------------------------------------------
SELECT dateadd(mm, datediff(mm, 1, getDate()), 0) as FirstOfTheMonth
SELECT dateadd(ms, -3, dateadd(mm, datediff(m, 0, getDate()) + 1, 0)) as LastOfTheMonth
SELECT dateadd(qq, datediff(qq, 0, getDate()), 0) as FirstDayOfQtr
SELECT dateadd(wk, datediff(wk, 0, dateadd(dd, 6 - datepart(day, getDate()), getDate())), 0) --(First Monday of Month)
--Find all instances of a 'string' within a string (varchar/nvarchar)
CREATE FUNCTION dbo.FindPatternLocation
(
@string NVARCHAR(MAX),
@term NVARCHAR(255)
)
RETURNS TABLE
AS
RETURN
(
SELECT pos = Number - LEN(@term)
FROM (SELECT Number, Item = LTRIM(RTRIM(SUBSTRING(@string, Number,
CHARINDEX(@term, @string + @term, Number) - Number)))
FROM (SELECT ROW_NUMBER() OVER (ORDER BY [object_id])
FROM sys.all_objects) AS n(Number)
WHERE Number > 1 AND Number <= CONVERT(INT, LEN(@string)+1)
AND SUBSTRING(@term + @string, Number, LEN(@term)) = @term
) AS y);
--Windowing for running totals, referencing related rows and row group totals
SELECT xact_amt,
SUM(xact_amt) OVER (ORDER BY xact_datetime) AS running_total
FROM SOME_DB.dbo.SOME_TABLE
--Get ids from a csv of ids
SELECT * FROM string_split('100,101,201,301,411,414', ',')
--Push a series of values into one row
SELECT playerID,
STUFF((select '; ' + teamID
from Managers
where teamID like('%P%')
group by teamID
for xml path('')), 1, 1, '') allTeams
FROM Managers
--Dynamic SQL
DECLARE @mult bit = 0
DECLARE @sqlToExecute varchar(500)
DECLARE @srvWest varchar(50) = 'WestZoneSqlSrv08'
DECLARE @srvEast varchar(50) = 'EastZoneSqlSrv08'
IF @mult = 0
SET @sqlToExecute = 'SELECT TOP 1 OrderId, PersonId FROM ALGO.dbo.[Order]'
ELSE
SET @sqlToExecute = 'SELECT TOP 1 OrderId, PersonId FROM ' + @srvEast + '.ALGO.dbo.[Order] UNION ALL SELECT TOP 1 OrderID, PersonId FROM ' + @srvWest + '.ALGO.dbo.Order'
EXEC(@sqlToExecute)
--CTE
WITH Entity (EntityID, Name, ParentID, Tree)
AS
(
SELECT ID, Val1, Val2 FROM SomeDbServer.dbo.SomeDatabase;
)
SELECT * FROM Entity;
-------GIT------------------------------------------------------
git log
git diff
git init
git branch
git branch -a
git branch <branchname> ((new branch))
git switch <branchname> ((same as checkout))
git merge <branchname> ((merge another branch into current working branch))
git push origin <branchname>
git push -u origin <branchname>
git pull origin <branchname>
git remote add origin <ssh or https URI>
--------WinDbg--------
!sos.threadpool (Strike subset of modules useful (yet safe) for debugging .NET)
!sos.savemodule
!sos.finalizequeue
!mex.us
!mex.aspxpagesext
!mex.mthreads / !sos.threads
!mex.dae
!mex.clrstack2
!sym noisy
g - (Go)
r - (Registers)
d - (virtual memory commands)
!teb - (thread environment block)
!peb - (process execution block)
~{thread id}|| ~*k to execute "each thread" and assoc k cmd on them
k - (look at stacks in debugger => top is end, bottom is init/start 00000000)
? - (evaluation cmd to get HEX equiv)
lm (loaded modules (lm v m malware => show verbose module (m)atching 'malware'))
du - (display Unicode value)
.crash - (forces blue screen crash and .dmp)
-------
REGEX--------------------------------------------------
(http|ftp|https)://([\w_-]+(?:(?:\.[\w_-]+)+))([\w.,@?^=%&:/~+#-]*[\w@?^=%&/~+#-])?
File Path with Filename and extension
/((\/|\\|\/\/|https?:\\\\|https?:\/\/)[a-z0-9 _@\-^!#$%&+={}.\/\\\[\]]+)+\.[a-z]+$/
File Path with optional Filename, extension
/^(.+)/([^/]+)$/
File Name with extension having 3 chars
/^[\w,\s-]+\.[A-Za-z]{3}$/
/* Match IPv4 address */
/^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$/
/* Match IPv6 address */
/(([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,7}:|([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|:((:[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(ffff(:0{1,4}){0,1}:){0,1}((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])|([0-9a-fA-F]{1,4}:){1,4}:((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9]))/
/* Match both IPv4, IPv6 addresses */
/((^\s*((([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5]))\s*$)|(^\s*((([0-9A-Fa-f]{1,4}:){7}([0-9A-Fa-f]{1,4}|:))|(([0-9A-Fa-f]{1,4}:){6}(:[0-9A-Fa-f]{1,4}|((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){5}(((:[0-9A-Fa-f]{1,4}){1,2})|:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){4}(((:[0-9A-Fa-f]{1,4}){1,3})|((:[0-9A-Fa-f]{1,4})?:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){3}(((:[0-9A-Fa-f]{1,4}){1,4})|((:[0-9A-Fa-f]{1,4}){0,2}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){2}(((:[0-9A-Fa-f]{1,4}){1,5})|((:[0-9A-Fa-f]{1,4}){0,3}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){1}(((:[0-9A-Fa-f]{1,4}){1,6})|((:[0-9A-Fa-f]{1,4}){0,4}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(:(((:[0-9A-Fa-f]{1,4}){1,7})|((:[0-9A-Fa-f]{1,4}){0,5}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:)))(%.+)?\s*$))/
Elements with Attributes /<\/?[\w\s]*>|<.+[\W]>/
Slug /^[a-z0-9]+(?:-[a-z0-9]+)*$/
Digits
Whole Numbers – /^\d+$/
Decimal Numbers – /^\d*\.\d+$/
Whole + Decimal Numbers – /^\d*(\.\d+)?$/
Negative, Positive Whole + Decimal Numbers – /^-?\d*(\.\d+)?$/
Whole + Decimal + Fractions – /[-]?[0-9]+[,.]?[0-9]*([\/][0-9]+[,.]?[0-9]*)*/
Alphanumeric without space – /^[a-zA-Z0-9]*$/
Alphanumeric with space – /^[a-zA-Z0-9 ]*$/
Common email Ids – /^([a-zA-Z0-9._%-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,6})*$/
Uncommon email ids – /^([a-z0-9_\.\+-]+)@([\da-z\.-]+)\.([a-z\.]{2,6})$/
Password Strength
Complex: Should have 1 lowercase letter, 1 uppercase letter, 1 number, 1 special character and be at least 8 characters long
/(?=(.*[0-9]))(?=.*[\!@#$%^&*()\\[\]{}\-_+=~`|:;"'<>,./?])(?=.*[a-z])(?=(.*[A-Z]))(?=(.*)).{8,}/
Moderate: Should have 1 lc letter, 1 UC letter, 1 number, and be at least 8 characters long
/(?=(.*[0-9]))((?=.*[A-Za-z0-9])(?=.*[A-Z])(?=.*[a-z]))^.{8,}$/
/* Username */
Alphanumeric string that may include _ and – having a length of 3 to 16 characters –
/^[a-z0-9_-]{3,16}$/
/* Date Format YYYY-MM-dd */
/([12]\d{3}-(0[1-9]|1[0-2])-(0[1-9]|[12]\d|3[01]))/
Time Format HH:MM 12-hour, optional leading 0
/^(0?[1-9]|1[0-2]):[0-5][0-9]$/
Time Format HH:MM 12-hour, optional leading 0, Meridiems (AM/PM)
/((1[0-2]|0?[1-9]):([0-5][0-9]) ?([AaPp][Mm]))/
Time Format HH:MM 24-hour with leading 0
/^(0[0-9]|1[0-9]|2[0-3]):[0-5][0-9]$/
Time Format HH:MM 24-hour, optional leading 0
/^([0-9]|0[0-9]|1[0-9]|2[0-3]):[0-5][0-9]$/
Time Format HH:MM:SS 24-hour
/(?:[01]\d|2[0123]):(?:[012345]\d):(?:[012345]\d)/
/* PowerShell has interesting return value behavior; vars are kept in global scope unless explicitly removed
$a = "Hello, World"
return $a
$a = "Hello, World"
$a
return */
-------DATA LAKE--------
Intermittent data holding area; a function of time restrictions, best for unstruct'd data/Ops Log/Config Data....... (for monitoring apps before a problem happens or gets worse)
References:
https://modernweb.com/45-useful-javascript-tips-tricks-and-best-practices/
https://pythontips.com/2015/04/19/nifty-python-tricks/#more-580
https://www.freelancer.com/community/articles/top-16-c-programming-tips-tricks
https://docs.microsoft.com/en-us/dotnet/csharp/tutorials/inheritance
https://www.debuggex.com/
https://digitalfortress.tech/tricks/top-15-commonly-used-regex/
