Regex - Revision history

Zooka at 03:29, 16 February 2026

2026-02-16T03:29:16Z

Zooka: /* Combined Examples */

2024-07-16T16:00:17Z

Combined Examples

Zooka at 07:25, 16 July 2024

2024-07-16T07:25:23Z

Zooka at 07:23, 16 July 2024

2024-07-16T07:23:48Z

Zooka: /* Helpful Links */

2024-07-16T07:20:09Z

Helpful Links

Zooka at 07:15, 16 July 2024

2024-07-16T07:15:49Z

Zooka at 06:35, 16 July 2024

2024-07-16T06:35:11Z

Zooka: initial creation

2024-07-16T06:27:27Z

initial creation

New page

Mudlet uses Perl '''Reg'''ular '''Ex'''pressions in a number of important ways. Regex is used to match alias commands or to match incoming lines with triggers. In triggers we capture this data by surrounding the expressions in parentheses. Regex uses special characters to match text which is probably best shown through some examples.

== Match a Digit ==

\d match a single digit
\d+ match one or more digits

You get 5 gold.
You get (\d) gold.

You get 150 gold.
You get (\d+) gold.

== Match an Alphanumeric Character ==

\w match a letter or number
\w+ match one or more letters or numbers (e.g. a single word)

You see a dragon.
You see (\w) dragon.

You see 1 dragon.
You see (\w) dragon.

You see three dragons.
You see (\w+) dragons.

== Match a Letter Only ==

[a-z] match a single lower case only letter
[A-Z] match a single upper case only letter
[a-zA-Z] match an upper or lower case letter

You see a dragon.
You see [a-z] dragon.

Will not match <code>You see 1 dragon.</code>

== Match from List ==

(mage|warrior|cleric) match the word mage, warrior or cleric, but nothing else

Before you stands a mighty warrior.
Before you stands a mighty mage.
Before you stands a mighty cleric.
Before you stands a mighty (mage|warrior|cleric).

Will not match <code>Before you stands a mighty ogre.</code>

== Start and End of a Line ==

^ match the start of a line
$ match the end of a line

^quest$

matches when a single word <code>quest</code> is on its own line.

== Cheat Sheet ==

== Helpful Links ==

* Regex tutorial: https://regexone.com/
* Regex tester: https://regex101.com/

@@ Line 1: / Line 1: @@
 Mudlet uses Perl '''Reg'''ular '''Ex'''pressions in a number of important ways.  Regex is used to [[Manual:Introduction#Regex_Patterns_in_Aliases|match alias commands]] or to [[Manual:Trigger_Engine#Perl_Regex|match incoming lines with triggers]]. In triggers we can also capture this incoming data by surrounding the expressions in parentheses.  Regex uses special characters to match text which is probably best shown through some examples.
-−
 {{note}} Regex is very powerful and goes beyond the basics shown on this page.

@@ Line 71: / Line 71: @@
     ^(.+)$   match everything on a line, but not a blank line
-== Combined Examples ==
+== Examples ==
    You see 30 gold.
@@ Line 86: / Line 86: @@
 matches both lines.  Capture group 1 would be <code>warrior</code> or <code>mage</code>.  Capture group 2 would be <code>rests</code> or <code>stands</code>.  Capture group 3 would be <code>.</code> or <code>preparing to cast fireball.</code>
 == Helpful Links ==

← Older revision		Revision as of 07:25, 16 July 2024
Line 1:		Line 1:
−	Mudlet uses Perl '''Reg'''ular '''Ex'''pressions in a number of important ways. Regex is used to [[Manual:Introduction#Regex_Patterns_in_Aliases\|match alias commands]] or to [[Manual:Trigger_Engine#Perl_Regex\|match incoming lines with triggers]]. In triggers we capture this data by surrounding the expressions in parentheses. Regex uses special characters to match text which is probably best shown through some examples.	+	Mudlet uses Perl '''Reg'''ular '''Ex'''pressions in a number of important ways. Regex is used to [[Manual:Introduction#Regex_Patterns_in_Aliases\|match alias commands]] or to [[Manual:Trigger_Engine#Perl_Regex\|match incoming lines with triggers]]. In triggers we can also capture this incoming data by surrounding the expressions in parentheses. Regex uses special characters to match text which is probably best shown through some examples.
−

	{{note}} Regex is very powerful and goes beyond the basics shown on this page.		{{note}} Regex is very powerful and goes beyond the basics shown on this page.

← Older revision		Revision as of 07:23, 16 July 2024
Line 1:		Line 1:
−	Mudlet uses Perl '''Reg'''ular '''Ex'''pressions in a number of important ways. Regex is used to match alias commands or to match incoming lines with triggers. In triggers we capture this data by surrounding the expressions in parentheses. Regex uses special characters to match text which is probably best shown through some examples.	+	Mudlet uses Perl '''Reg'''ular '''Ex'''pressions in a number of important ways. Regex is used to [[Manual:Introduction#Regex_Patterns_in_Aliases\|match alias commands]] or to [[Manual:Trigger_Engine#Perl_Regex\|match incoming lines with triggers]]. In triggers we capture this data by surrounding the expressions in parentheses. Regex uses special characters to match text which is probably best shown through some examples.

@@ Line 1: / Line 1: @@
 Mudlet uses Perl '''Reg'''ular '''Ex'''pressions in a number of important ways.  Regex is used to match alias commands or to match incoming lines with triggers. In triggers we capture this data by surrounding the expressions in parentheses.  Regex uses special characters to match text which is probably best shown through some examples.
 {{note}} Regex is very powerful and goes beyond the basics shown on this page.
 {{note}} Use a regex tester to test your code: regex101.com is highly recommended by Mudlet users.
 == Match a Digit ==
@@ Line 68: / Line 71: @@
     ^(.*)$   match everything on a line, even if blank
     ^(.+)$   match everything on a line, but not a blank line
 == Helpful Links ==

@@ Line 89: / Line 89: @@
 == Helpful Links ==
 * Regex tutorial: https://regexone.com/
 * Regex tester: https://regex101.com/