Using regular expressions - Revision history

C schmitz: Marked this version for translation

2025-10-14T13:24:02Z

Marked this version for translation

← Older revision		Revision as of 15:24, 14 October 2025
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	<source lang="html">/^(?:$?(?:\+?61\|0)4$?(?:[ -]?[0-9]){7}[0-9]$/</source>		<source lang="html">/^(?:$?(?:\+?61\|0)4$?(?:[ -]?[0-9]){7}[0-9]$/</source>

	~~==Belgian phone number==~~ <!--T:74-->		<!--T:74-->
			==Belgian phone number==
	<source lang="html">/^((\+\|00)32\s?\|0)(\d\s?\d{3}\|\d{2}\s?\d{2})(\s?\d{2}){2}$/</source>		<source lang="html">/^((\+\|00)32\s?\|0)(\d\s?\d{3}\|\d{2}\s?\d{2})(\s?\d{2}){2}$/</source>
	==Belgian mobile phone number==		==Belgian mobile phone number==
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	~~==Numbers from 1 to 99999==~~ <!--T:126-->		<!--T:126-->
			==Numbers from 1 to 99999==
	<source lang="html">/^([1-9]\|[1-9][0-9]\|[1-9][0-9][0-9]\|[1-9][0-9][0-9][0-9]\|[1-9][0-9][0-9][0-9][0-9])$/</source>		<source lang="html">/^([1-9]\|[1-9][0-9]\|[1-9][0-9][0-9]\|[1-9][0-9][0-9][0-9]\|[1-9][0-9][0-9][0-9][0-9])$/</source>
	<source lang="html">/^[1-9][0-9]{0,4}$/ does the same as above but should run a little faster</source>		<source lang="html">/^[1-9][0-9]{0,4}$/ does the same as above but should run a little faster</source>
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	rejects numbers like 999.1.1 , 94.22.22, 999.1.22, 999.11.1, 999.1.333		rejects numbers like 999.1.1 , 94.22.22, 999.1.22, 999.11.1, 999.1.333

	==Number validation with optional decimal (for price)== ~~<!--T:127-->~~		<!--T:127-->
			==Number validation with optional decimal (for price)==
	Accepts numbers from 0 to 199, with 2 decimal optional:		Accepts numbers from 0 to 199, with 2 decimal optional:
	<source lang="html">/^([1][0-9][0-9]\|[1-9][0-9]\|[0-9])((\.)[0-9][0-9])?$/</source>		<source lang="html">/^([1][0-9][0-9]\|[1-9][0-9]\|[0-9])((\.)[0-9][0-9])?$/</source>

	~~==Number validation with thousand separator==~~ <!--T:143-->		<!--T:143-->
			==Number validation with thousand separator==
	Space as separator, no minus		Space as separator, no minus
	<source lang="html">/^(?!0)\d{1,3}(\ \d{3})*$/</source>		<source lang="html">/^(?!0)\d{1,3}(\ \d{3})*$/</source>

Ritapas: http->https

2025-10-14T10:46:57Z

http->https

← Older revision		Revision as of 12:46, 14 October 2025
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	<!--T:2-->		<!--T:2-->
	Regular Expressions must start and finish with a forward slash ("/"). You can find a good library of regular expressions at ~~http~~://www.regexlib.net/. These patterns will almost always work if they are surrounded by forward slashes.		Regular Expressions must start and finish with a forward slash ("/"). You can find a good library of regular expressions at https://www.regexlib.net/. These patterns will almost always work if they are surrounded by forward slashes.

	<!--T:3-->		<!--T:3-->

Cyr1lle: added a resource in order to visualize regex

2022-11-26T13:15:54Z

added a resource in order to visualize regex

← Older revision		Revision as of 15:15, 26 November 2022
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	<!--T:140-->		<!--T:140-->
	In the beginning of this wiki section, we recommend you to use https://regex101.com/ to test/create regular expressions. You can also use https://www.regextester.com/ to create expressions in case you are unhappy about the first option.		In the beginning of this wiki section, we recommend you to use https://regex101.com/ to test/create regular expressions. You can also use https://www.regextester.com/ to create expressions in case you are unhappy about the first option. You can use https://extendsclass.com/regex-tester.html to visualize regular expressions.

	</translate>		</translate>

Han: Marked this version for translation

2022-03-09T17:31:03Z

Marked this version for translation

← Older revision		Revision as of 19:31, 9 March 2022
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	</source>		</source>

			<!--T:144-->
	If you want to validate one address per line, in a multiline long text field:		If you want to validate one address per line, in a multiline long text field:
	<source lang="html">		<source lang="html">
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	</source>		</source>

			<!--T:145-->
	At this outdated regex the domain name is limited to 3 characters which doesn't cover all available domains:		At this outdated regex the domain name is limited to 3 characters which doesn't cover all available domains:
	<source lang="html">		<source lang="html">

Tassoman: adding multiline email validation

2022-01-19T17:43:08Z

adding multiline email validation

← Older revision		Revision as of 19:43, 19 January 2022
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	/^.+?@.+?\..+$/		/^.+?@.+?\..+$/
	</source>		</source>

			If you want to validate one address per line, in a multiline long text field:
			<source lang="html">
			/^(((\w+([-+.']\w+)@\w+([-.]\w+)\.\w+([-.]\w+)(\r\n)?\n?)+))$/
			</source>

	At this outdated regex the domain name is limited to 3 characters which doesn't cover all available domains:		At this outdated regex the domain name is limited to 3 characters which doesn't cover all available domains:
	<source lang="html">		<source lang="html">

Han: Marked this version for translation

2019-07-19T18:57:15Z

Marked this version for translation

← Older revision		Revision as of 20:57, 19 July 2019
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	<source lang="html">/^[0-9]{5}([- /]?[0-9]{4})?$/</source>		<source lang="html">/^[0-9]{5}([- /]?[0-9]{4})?$/</source>

			<!--T:141-->
	For the postal code to start with zero, use:		For the postal code to start with zero, use:

			<!--T:142-->
	<source lang="html">/^[0-9]{5}(?:-[0-9]{4})?$/</source>		<source lang="html">/^[0-9]{5}(?:-[0-9]{4})?$/</source>

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	<source lang="html">/^([1][0-9][0-9]\|[1-9][0-9]\|[0-9])((\.)[0-9][0-9])?$/</source>		<source lang="html">/^([1][0-9][0-9]\|[1-9][0-9]\|[0-9])((\.)[0-9][0-9])?$/</source>

	==Number validation with thousand separator==		==Number validation with thousand separator== <!--T:143-->
	Space as separator, no minus		Space as separator, no minus
	<source lang="html">/^(?!0)\d{1,3}(\ \d{3})*$/</source>		<source lang="html">/^(?!0)\d{1,3}(\ \d{3})*$/</source>

Admin at 10:04, 28 June 2019

2019-06-28T10:04:28Z

← Older revision		Revision as of 12:04, 28 June 2019
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	<!--T:21-->		<!--T:21-->
	<source lang="html">/^[0-9]{5}([- /]?[0-9]{4})?$/</source>		<source lang="html">/^[0-9]{5}([- /]?[0-9]{4})?$/</source>

			For the postal code to start with zero, use:

			<source lang="html">/^[0-9]{5}(?:-[0-9]{4})?$/</source>

	==UK postcodes== <!--T:22-->		==UK postcodes== <!--T:22-->

DenisChenu: Number validation with thousand separator

2019-06-25T11:25:50Z

Number validation with thousand separator

← Older revision		Revision as of 13:25, 25 June 2019
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	Accepts numbers from 0 to 199, with 2 decimal optional:		Accepts numbers from 0 to 199, with 2 decimal optional:
	<source lang="html">/^([1][0-9][0-9]\|[1-9][0-9]\|[0-9])((\.)[0-9][0-9])?$/</source>		<source lang="html">/^([1][0-9][0-9]\|[1-9][0-9]\|[0-9])((\.)[0-9][0-9])?$/</source>

			==Number validation with thousand separator==
			Space as separator, no minus
			<source lang="html">/^(?!0)\d{1,3}(\ \d{3})*$/</source>
			Dot as separator, minus allowed
			<source lang="html">/^-?(?!0)\d{1,3}(\.\d{3})*$/</source>

	<!--T:128-->		<!--T:128-->
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	<!--T:77-->		<!--T:77-->
	<source lang="html">/^[0][1-9]$\|^[0]1[0-2]$/</source>		<source lang="html">/^[0][1-9]$\|^[0]1[0-2]$/</source>


	=Minimum width (set to 3 in this example)= <!--T:78-->		=Minimum width (set to 3 in this example)= <!--T:78-->

Cdorin: Marked this version for translation

2019-01-08T13:40:44Z

Marked this version for translation

← Older revision		Revision as of 15:40, 8 January 2019
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	Note that this is not very exact, and a more exact validation is much more complex. For example, see [https://stackoverflow.com/questions/164979/uk-postcode-regex-comprehensive StackOverflow answer] and [https://en.wikipedia.org/wiki/Talk:Postcodes_in_the_United_Kingdom#Regular_Expressions Wikipedia] for more information.		Note that this is not very exact, and a more exact validation is much more complex. For example, see [https://stackoverflow.com/questions/164979/uk-postcode-regex-comprehensive StackOverflow answer] and [https://en.wikipedia.org/wiki/Talk:Postcodes_in_the_United_Kingdom#Regular_Expressions Wikipedia] for more information.

	==French postcodes==		==French postcodes== <!--T:133-->

			<!--T:134-->
	<source lang="html">/(^[0-8]\d\d{3}$)\|(^9[0-5]\d{3}$)\|(^97[1-6]\d{2}$)\|(^98[46-8]\d{2}$)/</source>		<source lang="html">/(^[0-8]\d\d{3}$)\|(^9[0-5]\d{3}$)\|(^97[1-6]\d{2}$)\|(^98[46-8]\d{2}$)/</source>

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	==US phone numbers== <!--T:26-->		==US phone numbers== <!--T:26-->

			<!--T:135-->
	<source lang="html">/^(?:$[2-9]\d{2}$\ ?\|[2-9]\d{2}(?:\-?\|\ ?))[2-9]\d{2}[- ]?\d{4}$/</source>		<source lang="html">/^(?:$[2-9]\d{2}$\ ?\|[2-9]\d{2}(?:\-?\|\ ?))[2-9]\d{2}[- ]?\d{4}$/</source>

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	=Age validation=		=Age validation= <!--T:136-->


			<!--T:137-->
	Example: Age 20-99		Example: Age 20-99
	<source lang="html">/([2-9][0-9])/</source>		<source lang="html">/([2-9][0-9])/</source>
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	=Number validation=		=Number validation= <!--T:138-->


	<!--T:126-->		==Numbers from 1 to 99999== <!--T:126-->
	~~==Numbers from 1 to 99999==~~
	<source lang="html">/^([1-9]\|[1-9][0-9]\|[1-9][0-9][0-9]\|[1-9][0-9][0-9][0-9]\|[1-9][0-9][0-9][0-9][0-9])$/</source>		<source lang="html">/^([1-9]\|[1-9][0-9]\|[1-9][0-9][0-9]\|[1-9][0-9][0-9][0-9]\|[1-9][0-9][0-9][0-9][0-9])$/</source>
	<source lang="html">/^[1-9][0-9]{0,4}$/ does the same as above but should run a little faster</source>		<source lang="html">/^[1-9][0-9]{0,4}$/ does the same as above but should run a little faster</source>
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	=Helpful links=		=Helpful links= <!--T:139-->


			<!--T:140-->
	In the beginning of this wiki section, we recommend you to use https://regex101.com/ to test/create regular expressions. You can also use https://www.regextester.com/ to create expressions in case you are unhappy about the first option.		In the beginning of this wiki section, we recommend you to use https://regex101.com/ to test/create regular expressions. You can also use https://www.regextester.com/ to create expressions in case you are unhappy about the first option.

	</translate>		</translate>

Cdorin at 13:39, 8 January 2019

2019-01-08T13:39:28Z

← Older revision		Revision as of 15:39, 8 January 2019
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	<!--T:105-->		<!--T:105-->
	There are a number of ways to write time formats. Some of the possible options are 12 hour or 24 hour, with seconds or without. Although it is an option to use the date question type (it can also capture time) you can use the short free text question type with one of the below validation regular expressions.		There are a number of ways to write time formats. Some of the possible options are 12 hour or 24 hour, with seconds or without. Although it is an option to use the [[Question type - Date\|date question type]] (it can also capture time) you can use the [[Question type - Short free text\|short free text question type]] with one of the below validation regular expressions.

	<!--T:106-->		<!--T:106-->
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	<!--T:115-->		<!--T:115-->
	<source lang="html">/^(?:(?:00:[0-5][0-9]:[0-5][0-9] (?:am\|AM)\|(?:0[1-9]\|1[01]):[0-5][0-9]:[0-5][0-9] (?:[ap]m\|[AP]M)\|12:[0-5][0-9]:[0-5][0-9] (?:pm\|PM))\|(?:[01][0-9]\|2[0-3]):[0-5][0-9]:[0-5][0-9])$/</source>		<source lang="html">/^(?:(?:00:[0-5][0-9]:[0-5][0-9] (?:am\|AM)\|(?:0[1-9]\|1[01]):[0-5][0-9]:[0-5][0-9] (?:[ap]m\|[AP]M)\|12:[0-5][0-9]:[0-5][0-9] (?:pm\|PM))\|(?:[01][0-9]\|2[0-3]):[0-5][0-9]:[0-5][0-9])$/</source>


	=US states= <!--T:116-->		=US states= <!--T:116-->