[Solved] Regular expressions : how to find [closed]

The regex itself, while ugly and inefficient, should work. You do need to assign the string you’re adding into the regex before building the regex, though. While we’re at it, let’s clean it up: string tmprect = “gg_rct_MyReg1″; Regex regexObj = new Regex(@”^\s*set\s+” + tmprect + @”\s*=\s*Rect\s*\(\s*([^,\s]*)\s*,\s*([^,\s]*)\s*,\s*([^,\s]*)\s*,\s*([^)\s]*)\s*\).*$”); ([^,\s]*) matches any number of characters except commas … Read more

[Solved] How to query database column names? [closed]

just change database name and table name with yours and run this query SELECT `COLUMN_NAME` FROM `INFORMATION_SCHEMA`.`COLUMNS` WHERE `TABLE_SCHEMA`=’database_name’ AND `TABLE_NAME`=’table_name’ and COLUMN_NAME like ‘link_%’ solved How to query database column names? [closed]

[Solved] Regex – Allow Alphanumeric, spaces and symbols but CANNOT be only numeric or symbols or spaces. Must have alphabets in it

Introduction Regular expressions, commonly known as “regex” or “regexp”, are special strings used to define search patterns. They are used to match text, and are incredibly powerful and versatile. In this article, we will discuss a particular regex pattern that allows alphanumeric characters, spaces, and symbols, but cannot be only numeric, symbols, or spaces. It … Read more

[Solved] Matching and replacement with gsub [closed]

We can try sub sub(“(V).*(neck)”, “\\1 \\2”, words_1) #[1] “V neck” “V neck” “V neck” Or a general approach would be sub(“([A-Z]+)[^A-Za-z]*([a-z]+)”, “\\1 \\2”, words_1) 2 solved Matching and replacement with gsub [closed]

[Solved] Removing objects from an array, objects having value which match a regex pattern

You can use Array.filter to achieve that. var arr = [{ type: “parent”, Level: “1-1”, },{ type: “parent”, Level: “1-2”, },{ type: “child”, Level: “1-2-1”, },{ type: “child”, Level: “1-2-2”, },{ type: “child”, Level: “1-2-3”, },{ type: “child”, Level: “1-4-3”, },{ type: “parent”, Level: “1-3”, } ]; var nodetoberemoved = “1-2”; var result = arr.filter(function(elem){ … Read more

[Solved] Extract two numbers from a String with the Java Matcher class

To use Matcher you start by compiling a Pattern, then you call matcher(String) and then you see if it matches. Finally, you can parse the values. Something like, String str = “views: 120 upvotes: 540”; Pattern p = Pattern.compile(“views:\\s*(\\d+)\\s+upvotes:\\s*(\\d+)”, Pattern.CASE_INSENSITIVE); Matcher m = p.matcher(str); if (m.matches()) { int views = Integer.parseInt(m.group(1)); int upvotes = Integer.parseInt(m.group(2)); … Read more

[Solved] How to get multiple regex matches c#

With the risk of summoning all sorts of foul creatures (and I’m not mainly referring to SO users), here’s a little unit test for you: [TestMethod] public void RegexTest() { var input = “<th>192.168.1.1</th>\r<th>443</th>”; var regex = @”(?s)<th>([0-9\.]*?)</th>.*?<th>([0-9]*?)</th>”; var matches = Regex.Matches(input, regex); foreach (Match match in matches) Console.WriteLine(“IP: {0}, port: {1}”, match.Groups[1].Value, match.Groups[2].Value); } … Read more

[Solved] How to get multiple regex matches c#

Introduction Regex (Regular Expressions) is a powerful tool for searching and manipulating text. It is often used to find and replace patterns in strings, but it can also be used to extract multiple matches from a single string. In this article, we will discuss how to use Regex in C# to get multiple matches from … Read more

[Solved] How to get the contents inside alt? [closed]

Foreward You should really use an html parser for this, but you seem to have creative control over the source string, and if it’s really this simple then the edge cases should be reduced. Description <img\s(?=(?:[^>=]|=”[^”]*’|=”[^”]*”|=[^'”][^\s>]*)*?\salt=[‘”]([^”]*)[‘”]?) (?:[^>=]|=”[^”]*’|=”[^”]*”|=[^'”\s]*)*”\s?\/?> This regular expression will do the following: find all the image tags require the image tag to have … Read more

[Solved] how to write a regex to remove extra commas from string for making a csv

i think this will resolve your issue:- $result_1 = “STRING containing extra commas” $regex = “https://stackoverflow.com/”(.+?)”https://stackoverflow.com/”; preg_match_all($regex, $result_1, $matches); $x = 0; $max = count($matches[0]); while($x < $max){ $replace = str_replace(“,”, “.”, $matches[1][$x]); $result_1 = str_replace($matches[0][$x], $replace, $result_1); $x++; } print_r($result_1); 1 solved how to write a regex to remove extra commas from string for … Read more