Regular Expressions Guide for SEO, Google Analytics & Google Tag Manager
July 14, 2016
Google Tag Manager, Web Analytics Tools
I am going to explain the building blocks of Regular Expression (or REGEX), so that you can understand them and use them in technical SEO, in Google Analytics and Google Tag Manager.
Advantages of using REGEX in SEO:
1. You can convert long ugly dynamic URLs into SEO friendly URLs.
2. You can apply correct redirects.
3. Prevent people from hotlinking your images
4. Block spam bots
5. Resolve canonical URL issues
6. Resolve duplicate content issues (to an extent)
7. Deliver geo specific contents based on the IP address
Advantages of using REGEX in Google Analytics & Google Tag Manager:2. You can apply correct redirects.
3. Prevent people from hotlinking your images
4. Block spam bots
5. Resolve canonical URL issues
6. Resolve duplicate content issues (to an extent)
7. Deliver geo specific contents based on the IP address
1. Set up complex goals in Google Analytics like the one which could match multiple goal pages.
2. Set up complex funnel pages in Google Analytics like the one which could match multiple web pages.
3. Exclude traffic from a IP address range via Google Analytics filters
4. Set up complex advanced segments like the segments which can filter out branded keywords.
5. Understand the commercial value of long tail keywords.
6. Rewrite URLs in Google Analytics reports
7. Filter data based on complex patterns within the GA report interface.
2. Set up complex funnel pages in Google Analytics like the one which could match multiple web pages.
3. Exclude traffic from a IP address range via Google Analytics filters
4. Set up complex advanced segments like the segments which can filter out branded keywords.
5. Understand the commercial value of long tail keywords.
6. Rewrite URLs in Google Analytics reports
7. Filter data based on complex patterns within the GA report interface.
What is Regular Expression?
It is an expression which is used to check for a pattern in a string.For e.g. ^Colou?r$ is a regular expression which matches both the string: ‘color’ and ‘colour’. A regex is made up of characters and metacharacters.
Note: The regex used in this article are for JavaScript.
What are Metacharacters?
These are the characters which have special meaning in regex. They are the building blocks of a regex.For e.g. [], ^, (), {}, $, +, * etc.
Building Blocks of a Regular Expression
Other Meta characters in Regex
Escaping Character – back slash \
‘\’ is the escaping character which is used to escape from the normal way a subsequent character is interpreted.Though escaping character you can convert a regular character into meta character or turn a meta character into a regular character.For example:
Forward Slash (/) has a special meaning in regex. It is used to mark the beginning and end of a regular expression.
For example:
var a = /colou?r/;
If you want regex to treat forward slash
as a forward slash and not some special character then you need to use
it along with the escaping character like this: \/
So if you want to check for a pattern say /shop/ in the string /shop/collection/men/
then your regex should be: \/shop
If you use the regex /shop then it won’t match the string /shop/collection/men/ because / would be treated as a special character instead of a regular forward slash.
Another example:
‘n’ is a regular character. But if you add escaping character before it then it would become a meta character: \n which is a new line character.
So if you want to check for a pattern say /n in the string abcd\n3456
then your regex should be: abcd\\n3456
If you use the regex abcd/n then it won’t match the string abcd\n3456 because \n would be treated as a newline character instead of a regular character.
Another example:
‘?‘ is a meta character. To make it a regular character, you need to add escaping character before: \?
So if you want to check for a question mark in the string colou?r
then your regex should be: colou\?r
If you use the regex colou?r then it would match the string color or colour and not colou?r as then ? will be treated as meta character.
Caret ^
‘^’ – This is known as ‘Caret’ and is used to denote the beginning of a regular expression.
^\/Colou?r => Check for a pattern which starts with ‘/Color’ or ‘/Colour’. Example:
/Colour/?proid=3456/review
/Color-red/?proid=3456/review
^\/Nov(ember)? => Check for a pattern which starts with ‘/Nov’ or ‘/November’. Example:
/November-sales/?proid=3456/review
/Nov-sales/?proid=3456/review
^\/elearning\.html => Check for a pattern which starts with ‘/elearning.html’. Example:
/elearning.html/?proid=3456/review
^\/.*\.php => Check for a pattern which starts with any file with .php extension. Example:
/elearning.php/color/?proid=3456/review
/games.php/?proid=3456/
/a1.php/color/?proid=3456&gclid=153dwf3533
^\/product-price\.php => Check for a pattern which starts with ‘/product-price.php’. Example:
/product-price.php?proid=123&cid=2142
/product-price.php?cid=2142&gclid=442352df
Caret also means NOT when used after the opening square bracket.
[^a] => Check for any single character other than the lowercase letter ‘a’.
For example: the regex product-[^a] will match:
/shop/men/sales/product-b
/shop/men/sales/product-c
[^B] = > Check for any single character other than the uppercase letter ‘B’.
For example: the regex product-[^B] will match:
/shop/men/sales/product-b
/shop/men/sales/product-c
[^1] => Check for any single character other than the number ‘1’.
For example: the regex proid=[^1] will match:
/men/product-b?proid=3456&gclid=153dwf3533
but will not match:
/men/product-b?proid=1456&gclid=153dwf3533
[^ab] => Check for any single character other than the lower case letters ‘a’ and ‘b’.
For example: the regex location=[^ab] will match:
/shop/collection/prodID=141?location=canada
but will not match:
/shop/collection/prodID=141?location=america
/shop/collection/prodID=141?location=bermuda
[^aB] => Check for any single character other than the lower case letter ‘a’ and uppercase letter ‘B’.
[^1B] => Check for any single character other than the number ‘1’ and uppercase letter ‘B’
[^Dog] => Check for
any single character other than the following: uppercase letter ‘D’,
lowercase letter ‘o’ and lowercase letter ‘g’.
For example: the regex location=[^Dog] will match:
/shop/collection/prodID=141?location=canada
/shop/collection/prodID=141?location=denmark
but will not match:
/shop/collection/prodID=141?location=Denver
/shop/collection/prodID=141?location=ontario
/shop/collection/prodID=141?location=greenland
[^123b] => Check for
any single character other than the following characters: number ‘1’,
number ‘2’, number ‘3’ and lowercase letter ‘b’.
[^1-3] => Check for any single character other than the following: number ‘1’, number ‘2’ and number ‘3’.
For example: the regex prodID=[^1-3] will match:
/shop/collection/prodID=45321&cid=1313
/shop/collection/prodID=5321&cid=13442
but will not match:
/shop/collection/prodID=12321&cid=1313
/shop/collection/prodID=2321&cid=1313
/shop/collection/prodID=321&cid=1313
[^0-9] => Check for any single character other than the number.
For example: the regex de\/[^0-9] will match all those pages in the de/ folder whose name doesn’t start with a number:
/de/school-london
/de/general/
but will not match:
/de/12fggtyooo
[^a-z] => Check for any single character which is not a lower case letter.
For example: the regex de\/[^a-z] will match all those pages in the de/ folder whose name doesn’t start with a lower case letter:
/de/1london-school
/de/?productid=423543
/de/?productid=423543
but will not match:
/de/school/london
[^A-Z] => Check for any single character which is not a upper case letter.
Dollar $
‘$’ – It is used to denote the end of a regular expression or ending of a line. For e.g.
Colou?r$ => Check for a pattern which ends with ‘Color’ or ‘Colour’
Nov(ember)?$ => Check for a pattern which ends with ‘Nov’ or ‘November’
elearning\.html$ => Check for a pattern which ends with ‘elearning.html’
\.php$ => Check for a pattern which ends with .php
product-price\.php$ => Check for a pattern which ends with ‘product-price.php’
Square Bracket []
‘[]’ – This square bracket is used to check for any single character in the character set specified in []. For e.g:
[a] => Check for a single character which is a lowercase letter ‘a’.
[ab] => Check for a single character which is either a lower case letter ‘a’ or ‘b’.
[aB] => Check for a single character which is either a lower case letter ‘a’ or uppercase letter ‘B’
[1B] => Check for a single character which is either a number ‘1’ or an uppercase letter ‘B’.
[Dog] => Check for a
single character which can be anyone of the following: uppercase letter
‘D’, lower case letter ‘o’ or lowercase letter ‘g’.
[123b] => Check for a
single character which can be anyone of the following: number ‘1’,
number ‘2’, number ‘3’ or lowercase letter ‘b’.
[1-3] => Check for a single character which can be any one number from 1, 2 and 3.
[0-9] => Check for a single character which is a number.
[a-d] => Check for a single character which can be any one of the following lower case letter: ‘a’, ‘b’, ‘c’ or ‘d’.
[a-z] => Check for a single character which is a lower case letter.
[A-Z] => Check for a single character which is a upper case letter.
[A-T] => Check for a single character which can be any uppercase letter from ‘A’ to ‘T’.
[home.php] => Check
for a single character which can be anyone of the following characters:
lowercase letter ‘h’, lowercase letter ‘o’, lowercase letter ‘m’,
lowercase letter ‘e’, special character ‘.’, lower case letter ‘p’,
lowercase letter ‘h’ or lowercase letter ‘p’
Note: if you want to check for a letter regardless of its case (upper case or lower case) then use [a-zA-Z]Parenthesis ()
‘()’ – This is known as parenthesis and is used to check for a string. For e.g.
(a) => Check for string ‘a’
(ab) => Check for string ‘ab’
(dog) => Check for string ‘dog’
(dog123) => Check for string ‘dog123’
(0-9) => Check for string ‘0-9’
(A-Z) => Check for string ‘A-Z’
(a-z) => Check for string ‘a-z’
(123dog588) => Check for string ‘123dog588’
Note: () is also used to create and store variables. For e.g. ^ (.*) $Question mark ?
‘?’ is used to check for zero or one occurrence of the preceding character. For e.g.
[a]? => Check for zero or one occurrence of lowercase letter ‘a’.
[dog]? => Check for zero or one occurrence of lowercase letter ‘d’, ‘o’ or ‘g’.
[^dog]? => Check for zero or one occurrence of a character which is not the lowercase letter ‘d’, ‘o’ or ‘g’.
[0-9]? => Check for zero or one occurrence of a number
[^a-z]? => Check for zero or one occurrence of a character which is not a lower case letter.
^colou?r$ => check for color or colour.
^Nov(ember)28(th)?$ => check for ‘nov 28’, ‘november 28, Nov 28th and November 28th
Note: ? when used inside a regular expression makes the preceding letter or group of letters optional.For e.g. the regular expression: ^colou?r$ matches both ‘color’ and ‘colour’. Similarly, the regular expression: ^Nov(ember)28(th)?$ matches: ‘nov 28’, ‘november 28, Nov 28th and November 28th
Plus +
‘+’ is used to check for one or more occurrences of the preceding character. For e.g.
[a]+ => Check for one or more occurrences of lowercase letter ‘a’.
[dog]+ => Check for one or more occurrences of letters ‘d’, ‘o’ or ‘g’.
[548]+ => Check for one or more occurrences of numbers ‘5’, ‘4’ or ‘8’.
[o-9]+ => Check for one or more numbers
[a-z]+ => Check for one or more lower case letters
[^a-z]+ => Check for one or more characters which are not lowercase letters.
[a-zA-z]+ => Check for any combination of uppercase and lowercase letters.
[a-z0-9]+ => Check for any combination of lowercase letters and numbers.
[A-Z0-9]+ => Check for any combination of uppercase letters and numbers.
[^9]+ => Check for one or more character which is not the number 9.
Multiply *
‘*‘ is used to check for any number of occurrences (including zero occurrences) of the preceding character.For example, 31* would match 3, 31, 311, 3111, 31111 etc.
Dot .
‘.’ is used to check for a single character (any character that can be typed via keyboard other than a line break character (\n)).For example the regular expression: Action ., Scene2 would match:
- Action 1, Scene2
- Action A, Scene2
- Action 9, Scene2
- Action &, Scene2
- Action 10,Scene2
- Action AB,Scene2
Pipe |
‘|’ is the logical OR . For example:(His|Her) => Check for the string ‘his’ or ‘her’.
His|Her => Check for the string ‘his’ or ‘her’. For example, the regex his|her will match:
- this is his book
- this is her book
- his or her
- her or his
Exclamation !
‘!’ – It is a logical NOT. But unlike ^ (caret), it is used only at the beginning of a rule or a condition. For e.g.- (!abc) => Check for a string which is not the string ‘abc’.
- [!0-9] => Check for a single character which is not a number.
- [!a-z] => Check for a single character which is not a lower case letter.
Curly Brackets {}
{} is used to check for 1 or more repeat occurrence of the preceding character.For example:
1{1} => check for 1 repeat occurrence of the character ‘1’. This regex will match 1
1{2} => check for 2 repeat occurrences of the character ‘1’. This regex will match 11
1{3} =>check for 3 repeat occurrences of the character ‘1’. This regex will match 111
1{4} => check for 4 repeat occurrences of the character ‘1’. This regex will match 1111
1{1,4} =>check for 1 to 4 repeat occurrences of the character ‘1’. This regex will match 1,11, 111, 1111
[0-9]{2} => check for 2 repeat occurrences of a number or in other words, check for two digits number like 12
[0-9]{3} => check for 3 repeat occurrences of a number or in other words check for three digits number like 123
[0-9]{4} => check for 4 digits number like 1234
[0-9]{1,4} => check for 1 to 4 digits number.
[a]{1} => check for 1 repeat occurrence of the character ‘a’. This regex will match a
[a]{2} => check for 2 repeat occurrences of the character ‘a’. This regex will match aa
[a]{3} =>check for 3 repeat occurrences of the character ‘a’. This regex will match aaa
[a]{4} => check for 4 repeat occurrences of the character ‘a’. This regex will match aaaa
[a]{1,4} =>check for 1 to 4 repeat occurrences of the character ‘a’. This regex will match a,aa,aaa,aaaa
[a-z]{2} => check for 2 repeat occurrences of a lower case letter. This regex will match aa, bb, cc etc
[A-Z]{3} => check for 3 repeat occurrences of a upper case letter. This regex will match AAA, BBB, CCC etc
[a-zA-Z]{2} => check
for 2 repeat occurrences of a letter (doesn’t matter whether it is upper
case or lower case). This regex will match aa, aA, Aa, AA etc
[a-zA-Z]{1,4} =>
check for 1 to 4 repeat occurrences of a letter (doesn’t matter whether
it is upper case or lower case). This regex will match aaaa, AAAA, aAAA,
AAAa etc
(rock){1} => check for 1 repeat occurrence of the string ‘rock’. This regex will match: rock
(rock){2} => check for 2 repeat occurrence of the string ‘rock’. This regex will match: rockrock
(rock){3} => check for 3 repeat occurrence of the string ‘rock’. This regex will match: rockrockrock
(rock){1,4} => check
for 1 to 4 repeat occurrence of the string ‘rock’. This regex will
match: rock, rockrock, rockrockrock, rockrockrockrock
White Spaces
To create a white space in a regular expression, just use the white space. For e.g.(Himanshu Sharma) => Check for the string ‘Himanshu Sharma’
Inverting regex in JavaScript
Inverting a regex means inverting its meaning. You can invert a regex in JavaScript by using positive and negative lookaheads.Use positive lookahead if you want to match something that is followed by something else.Positive Lookahead starts with (?= and ends with )
Use negative lookahead if you want to match something not followed by something else.
Negative Lookahead starts with (?! and ends with )
For example: the regex de\/[^a-z] will match all those pages in the de/ folder whose name doesn’t start with a lower case letter:
/de/1london-school
/de/?productid=423543
/de/?productid=423543
but will not match:
/de/school/london
The invert of this regular expression would be: match all those pages
in the de/ folder whose name starts with a lower case letter:For example: the regex de\/(?![^a-z]) will match:
/de/school/london
but will not match:
/de/1london-school
/de/?productid=423543
Note: JavaScript only support lookaheads and not lookbehind. Google analytics doesn’t support either lookahead or lookbehind./de/?productid=423543
More Regex Examples
^(*\.html)$ => Check for any number of characters before .html and store them in a variable.
^dog$ => Check for the string ‘dog’
^a+$ => Check for one or more occurrences of a lower case letter ‘a’
^(abc)+$ => Check for one or more occurrences of the string ‘abc’.
^[a-z]+$ => Check for one or more occurrences of a lower case letter.
^(abc)*$ => Check for any number of occurrences of the string ‘abc’.
^a*$ => Check for any number of occurrences of the the lower case letter ‘a’
#. Find all the files which start from ‘elearning’ and which have the ‘.html’ file extension
^elearning* \.html$
#. Find all the PHP files
^*\.php$
mod_rewrite
It is a module (function) written in ‘C’ programming language: ‘mod_rewrite.c’. This module works only with Apache server 1.2 or later and is called from the .htaccess file (ASCII file which contains configuration directives and rules for files and folders). Through this module you can:- Re-Write URLs
- Redirect URLs
- Solve Canonical URL issues
- Solve Hot linking issues
- Block visitors from accessing a particular folder, file or the whole website.
- Create custom 403 and 404 pages.
- Deliver contents on the basis of the IP address and benefits are end less.
Types of Configuration Directives
There are 9 types of configuration directives:- RewriteEngine
- RewriteOptions
- RewriteLog
- RewriteLogLevel
- RewriteLock
- RewriteMap
- RewriteBase
- RewriteRule
- RewriteCond
RewriteEngine
This configuration directive is used to enable or disable the mod-rewrite module.Syntax: RewriteEngine on/off
Default Value: RewriteEngine off
That’s why in .htacess file we first enable the mod-rewrite module by adding the following code:
Options +FollowSymLinks
RewriteEngine on
RewriteRule
This configuration directive tells the server to interpret the given statement as a rule.Syntax: RewriteRule <pattern> <substitution> [FLAGS]
Here pattern is a regular expression and substitution is a URL.
FLAGS can be [R], [F], [NC], [QSA], [L], [OR] etc.
[R] => Redirect. Its default value is 302. It can be assigned any number from 300 to 400. For e.g.
RewriteRule ^index\.html$ /index.php [r=301]
[F] => Forbidden. It is generally used with hyphen (-). The hyphen tells the server not to perform any substitution. This flag tells the server not to fulfill the request and return ‘403’ response code. For e.g.
RewriteRule ^product-price\.php$ -[F]
[NC] => It tells the server to ignore uppercase or lowercase when checking for patterns. For e.g.
RewriteRule ^him*\.php$ [nc]
[QSA] => Query String append. It tells the server to pass query string from the original URL to the new URL.
[L] => Last rule. This tag tells the server not to process any more rules.
[OR] => Logical OR. This flag is used as logical OR for RewriteCond statements.
RewriteCond
This configuration directive tells the server to interpret the given statement as a condition for the rule which immediately follows it.Syntax:
Here first mod-rewrite matches each URL with the given pattern. If no URL matches the pattern, then mod_rewrite process the next rule. If a URL matches the pattern, then mod_rewrite looks for the corresponding RewriteCond. If no corresponding RewriteCond exist, then the matched URL is replaced by the substitution.
If corresponding RewriteCond exist, then each RewriteCond is processed in the order they appear from top to bottom. Each RewriteCond is processed by matching its test string to against its corresponding condition pattern. If test string doesn’t matches with its condition pattern, then mod_rewrite process the next rule, otherwise it process the next RewriteCond. When all RewriteConds are successfully processed, then the matched URL is replaced by the substitution. A test string can be:
1. A simple text
2. RewriteRule back reference
3. RewriteCond back reference
4. Server Variable
RewriteRule Back Reference
It is of the form $N, where N can be any number from o to 9. It is used to denote that variable which was created in the RewriteRule pattern. For e.g.
RewriteRule ^(.*)$ /index.php/$1 [L]
RewriteCond Back Reference
It is of the form %N, where N can be any number from 1 to 9. It is used to denote that variable which was created in the ‘condpattern’ from the last matched ‘RewriteCond’. For e.g.
RewriteCond %{HTTP_HOST} ^(123\.42\.162\.7)$
RewriteCond %1 ^123\.42\.162\.7$
RewriteRule ……………..
Server Variable
Syntax: % {Variable_Name}
E.g.
1. %{HTTP_HOST} – This variable gives information about server name and its IP address.
2. %{HTTP_USER_AGENT} – This variable gives information about user’s operating system and browser.
3. %{QUERY_STRING} – This variable returns query string.
4. %{HTTP_REFERER} – This variable returns the URL of the referer.
5.%{REMOTE_ADDR} -This variable returns the IP address of the referer.
Examples
Example-1: Redirect all request for pages in the media folder to a new page ‘media.html’.RewriteRule ^media/$ /media.html [r=301,l]Example-2: Redirect oldaddress.html page to newaddress.html page
RewriteRule ^oldaddress\.html$ /newaddress.html [r=301,l]Example-3: Redirect one website to another
Redirect 301 https://www.anotherwebsite.comExample-4: Redirect abc.com/index.html to www.abc.com
RewriteCond %{REQUEST_URL} ^index\.html$Example-5: Block a visitor from the IP address 12.34.56.78 to view your file product-prices.html
RewriteRule ^(.*)$ https://www.abc.com/$1 [r=301, l]
RewriteCond %{REMOTE_ADDR} ^12\.34\.56\.78$Example-6: Block a visitor from the IP address 12.34.56.78 to view your folder ‘sales-demo’
RewriteRule ^product-prices\.html$ /sorry.html -[F]
RewriteCond %{REMOTE_ADDR} ^12\.34\.56\.78$Example-7: Block a visitor from the IP address 12.34.56.78 to view your website www.abc.com
RewriteRule ^sales-demo/$ /sorry.html -[F]
RewriteCond %{REMOTE_ADDR} ^12\.34\.56\.78$Example-8: Apply 301 from one file to another file
RewriteRule ^.*$ / -[F]
Redirect 301 /file1.html https://www.mywebsite.com/file2.htmlThe above code will permanently redirect file1.html to file2.html. So whenever a search engine or a visitor will look for file1.html, he will automatically be redirected to file2.html.
Example-9: Convert Dynamic URL into Static Looking SEO friendly URL
RewriteCond % {QUERY_STRING} ^keyval\=25\&Keyval2\=62$ [nc]This code will redirect https://www.example.com/productdescription.php?keyval=25&keyval2=62 to https://www.example.com/whiteboard-accessories.php
RewriteRule ^productdescription.php$ https://www.example.com/whiteboard-accessories.php? [r=301, l]
Note: You need to put question mark (?) at the end of the substitution URL, otherwise query string will be appended at the end of the substitution URL.
Example-10: Redirect non-www to www
rewritecond %{http_host} ^mywebsite.com [nc]Note: Replace ‘mywebsite’ by your website name
rewriterule ^(.*)$ https://www.mywebsite.com/$1 [r=301,nc]
Example-11: Create Custom 404 page
Create a web page which you want to display as your custom 404 page say custom404.php and then upload your webpage to the root directory. Now add following code to your .htaccess file:
Options +FollowSymLinksExample-12: Block an IP address from accessing your website
RewriteEngine on
ErrorDocument 404 https://www.mywebsite.com/custom404.php
Add following code in your .htaccess file:
Options +FollowSymLinksIf you want to block two or more IP addresses:
RewriteEngine on
Order Deny, Allow
Deny from 61.16.153.67
Options +FollowSymLinksExample-13: Resolve the Hot Linking Issue
RewriteEngine on
Order Deny, Allow
Deny from 61.16.153.67
Deny from 124.202.86.42
Hot-linking means direct linking to your website file (images, videos etc). By preventing hot-linking, you can save your sever bandwidth. Add following code in your .htaccess file:
Options +FollowSymLinksReplace ‘mywebsite’ by your website name and then use hotlinking checker tool to find out whether your files (images,videos etc ) can be hot-linked or not.
RewriteEngine on
RewriteCond %{HTTP_REFERER} !^https://(.+\.)?mywebsite\.com/ [NC]
RewriteCond %{HTTP_REFERER} !^$
RewriteRule .*\.(jpg|jpeg|gif|bmp|png|swf)$ – [F]
Example-14: Enable proxy caching for static resources
Add following code to your .htaccess file
<FilesMatch “\.(gif|jpe?g|png)$”>
Header set Cache-Control “public”
</FilesMatch>
Regular Expressions and Google Analytics
There are many cases where regular expressions are very useful in Google Analytics. Some of such cases are:1. Setting up a goal which should match multiple goal pages instead of one.
2. Setting up a funnel in which a step should match mutiple pages instead of one. Infact when you set up a funnel, all URLs are treated as regular expressions.
3. Excluding traffic from a IP address range via filters. Infact there are many filters which require regular expressions. Big organizations generally own a range of IP addresses. Therefore to exclude organization’s internal traffic you need to specify a IP range using regex.
4. Setting up advanced segments. For example following regex can segment all the traffic coming from social media sites:
twitter\.com|facebook\.com|linkedin\.com|plus\.google\.com|t\.co|bit\.ly|reddit\.com
Note: You can use Regex equipped advanced segments to unleash the power of the long tail keywords and determine whether these keywords are worth chasing. You can also use regex to segment important data through advanced segments.
5. Rewriting URLs in Google Analytics reports.
You can rewrite URLs in Google Analytics reports with ‘search and replace’ advanced filter. This comes handy when your website has very long ugly dynamic URLs and you can’t figure out what the page is all about just by looking at its URL. So for example with ‘Search & Replace’ advanced filter you can ask GA to report the following URL:
https://www.abc.com/fder/?catg=2341&pid=428
as
https://www.abc.com/outdoor/fleeces
6. Filtering data within the GA report interface.
You can use following regular expressions to filter keywords on the Google Analytics reporting interface:
^[^\.\s\-]+([\.\s\-]+[^\.\s\-]+){0}$ =>Filter 1 word keyword phraseRelated Tools:
^[^\.\s\-]+([\.\s\-]+[^\.\s\-]+){1}$ =>Filter 2 words keyword phrase
^[^\.\s\-]+([\.\s\-]+[^\.\s\-]+){2}$ =>Filter 3 words keyword phrase
^[^\.\s\-]+([\.\s\-]+[^\.\s\-]+){3}$ =>Filter 4 words keyword phrase
^[^\.\s\-]+([\.\s\-]+[^\.\s\-]+){4}$ =>Filter 5 words keyword phrase
^[^\.\s\-]+([\.\s\-]+[^\.\s\-]+){5}$ => Filter 6 words keyword phrase
^[^\.\s\-]+([\.\s\-]+[^\.\s\-]+){6}$ => Filter 7 words keyword phrase
^[^\.\s\-]+([\.\s\-]+[^\.\s\-]+){7}$ => Filter 8 words keyword phrase
^[^\.\s\-]+([\.\s\-]+[^\.\s\-]+){8}$ => Filter 9 words keyword phrase
^[^\.\s\-]+([\.\s\-]+[^\.\s\-]+){9}$ =>Filter 10 words keyword phrase
^([^ ]+ ){4,10}[^ ]+$ – Filter keywords that have between 4 to 10 spaces in them. This regex can help you in determining long tail keywords on your website.
^/([^/]+/){3}[^/]*$ – Filter landing pages that that have 4 slashes in their URL. This regex can help you in identifying low quality pages on your website.
- To learn more about regular expressions: https://www.regular-expressions.info/
- The Regex Coach is a graphical application for Windows which can be used to test regular expressions
- Regular Expression Checker – chrome add-on to text regex
.htaccess
It is an ASCII file which contains configuration directives and rules for files, folders and the whole website. You can have more than one .htaccess file on a server. In fact you can have one .htaccess file per folder/directory. When you put the file in a directory, the rules mentioned in it are applicable only to all the files and sub-directories in the directory. When you put the file in the root directory, the rules mentioned in it are applicable to all the files and directories on the server. A htaccess file must contain following two lines:Options +FollowSymLinks
RewriteEngine on
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