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PHP Regex to check date is in YYYY-MM-DD format
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Try this.
$date="2012-09-12";
if (preg_match("/^[0-9]{4}-(0[1-9]|1[0-2])-(0[1-9]|[1-2][0-9]|3[0-1])$/",$date)) {
return true;
} else {
return false;
}
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How to validate IP address in Python? [duplicate]
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answered Nov 25 '08 at 23:50
DustinDustin
78.2k1717 gold badges103103 silver badges131131 bronze badges
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What is the best way to initialize a JavaScript Date to midnight?
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910
The setHours method can take optional minutes, seconds and ms arguments, for example:
var d = n...
Find the PID of a process that uses a port on Windows
... Local Address Foreign Address State PID
TCP 0.0.0.0:37 0.0.0.0:0 LISTENING 1111
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How do you make an array of structs in C?
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107
#include<stdio.h>
#define n 3
struct body
{
double p[3];//position
double v[3];//...
How to validate an Email in PHP?
...LTER_VALIDATE_EMAIL)
PHP Manual filter_var()
Available in PHP >= 5.2.0
If you don't want to change your code that relied on your function, just do:
function isValidEmail($email){
return filter_var($email, FILTER_VALIDATE_EMAIL) !== false;
}
Note: For other uses (where you need Regex)...
Run an OLS regression with Pandas Data Frame
...kage which was one of pandas' optional dependencies before pandas' version 0.20.0 (it was used for a few things in pandas.stats.)
>>> import pandas as pd
>>> import statsmodels.formula.api as sm
>>> df = pd.DataFrame({"A": [10,20,30,40,50], "B": [20, 30, 10, 40, 50], "C":...
What is the ultimate postal code and zip regex?
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20 Answers
20
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Numbering rows within groups in a data frame
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edited Mar 14 '17 at 22:06
Frank
62.4k88 gold badges8181 silver badges157157 bronze badges
answered Oc...
Set every cell in matrix to 0 if that row or column contains a 0
Given a NxN matrix with 0s and 1s. Set every row that contains a 0 to all 0 s and set every column that contains a 0 to all 0 s.
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