regex replace date c# code example

Example 1: python replace regex

import re
s = "Example String"
replaced = re.sub('[ES]', 'a', s)
print replaced 
# will print 'axample atring'

Example 2: regex in c#

string regex = @"\me\";
steing testRegex = "Hit me with that titan Boa baby.";

Regex re = new Regex(regex);


if (re.IsMatch(testRegex)){
 // WIll return true if it matches. # It does
  return true;
} else {
 // Will return false if it does not macth 
  return false;
  
}

Example 3: regex to check date format php

if (preg_match("/\d{4}\-\d{2}-\d{2}/", $date)) {
    echo 'true';
} else {
    echo 'false';
}

Example 4: java string regexp replace

String input = "abcd";
Pattern p = Pattern.compile("regexp");
String output = p.matcher(input).replaceAll("replacement");