SPECIAL NOTE: Regular Expressions in Conditions
Note - when using regular expressions in the condition editor, do NOT include the beginning and ending slash.
Email Validation:
/(\w[-._\w]*\w@\w[-._\w]*\w\.\w{2,3})/
The above regex will not validate email adresses with "+" - which is valid, and e.g. promoted by gmail. The below regex is slightly modified and allows "+":
/^(\w[-._+\w]*\w@\w[-._\w]*\w\.\w{2,3})$/
It is still far from perfect - but I think its better then the original (also because start-of-string and end-of-string anchors are added). Mind. This will allow e.g. abc+++defg@somemail.office.com. Ideally the regex should be modified to only allow one "+" charachter.
Postcodes:
Australian Postcodes: /^[0-9]{4}/
Brazilian Postcodes: /^[0-9]{2}\.[0-9]{3}-[0-9]{3}$/
Canadian Postcodes: /^[a-zA-Z]\d{1}[a-zA-Z](\-| |)\d{1}[a-zA-Z]\d{1}$/
US Postal Codes: /^[0-9]{5}([- /]?[0-9]{4})?$/
Phone Numbers:
US Phone Number:
/^(?:\([2-9]\d{2}\)\ ?|[2-9]\d{2}(?:\-?|\ ?))[2-9]\d{2}[- ]?\d{4}$/
or
/^[\(\)\.\- ]{0,}[0-9]{3}[\(\)\.\- ]{0,}[0-9]{3}[\(\)\.\- ]{0,}[0-9]{4}[\(\)\.\- ]{0,}$/
This second option will match all phone Canadian and US phone numbers that include non-digit symbols including
. ( ) - (space)
This will allow you to match phone numbers which resemble below.
(555)555 5555
555.555.5555
555 555 5555
(555)-555-5555
555-555-5555
555555555
Australian Phone Number:
The following patterns match all various Australian mobile and landline phone numbers including with "+61" country prefix eg:
(02) 9123 6535
03 1234-5345
0412 345 678
+61 2 3456 789
But not:
234 3450 234
a234 534 3432
134567
123456789013
Brackets, white space and hypens are ignored.
NOTE: The 'PRECICE' versions listed here match against the first four or five didgets in a number to ensure that they are valid Australian numbers. The 'NOT VERY PRECISE' only match against the first and second didgit so may allow invaid numbers
All Australian phone numbers (mobile and landline - area code required) :
VERY PRECISE
/^\(?(?:\+?61|0)(?:(?:2\)?[ -]?(?:3[ -]?[38]|[46-9][ -]?[0-9]|5[ -]?[0-35-9])|3\)?(?:4[ -]?[0-57-9]|[57-9][ -]?[0-9]|6[ -]?[1-67])|7\)?[ -]?(?:[2-4][ -]?[0-9]|5[ -]?[2-7]|7[ -]?6)|8\)?[ -]?(?:5[ -]?[1-4]|6[ -]?[0-8]|[7-9][ -]?[0-9]))(?:[ -]?[0-9]){6}|4\)?[ -]?(?:(?:[01][ -]?[0-9]|2[ -]?[0-57-9]|3[ -]?[1-9]|4[ -]?[7-9]|5[ -]?[018])[ -]?[0-9]|3[ -]?0[ -]?[0-5])(?:[ -]?[0-9]){5})$/
NOT VERY PRECISE
/^(?:\+?61|0)[2-478](?:[ -]?[0-9]){8}$/
All Australian phone numbers (landlines only - area code required):
VERY PRECISE
/^\(?(?:\+?61|0)(?:2\)?[ -]?(?:3[ -]?[38]|[46-9][ -]?[0-9]|5[ -]?[0-35-9])|3\)?(?:4[ -]?[0-57-9]|[57-9][ -]?[0-9]|6[ -]?[1-67])|7\)?[ -]?(?:[2-4][ -]?[0-9]|5[ -]?[2-7]|7[ -]?6)|8\)?[ -]?(?:5[ -]?[1-4]|6[ -]?[0-8]|[7-9][ -]?[0-9]))(?:[ -]?[0-9]){6}$/
NOT VERY PRECISE
/^(?:\+?61|\(?0)[2378]\)?(?:[ -]?[0-9]){8}$/
New South Wales landline phone numbers (area code optional):
VERY PRECISE
/^(?:\(?(?:\+?61|0)2\)?[ -]?)?(?:3[ -]?[38]|[46-9][ -]?[0-9]|5[ -]?[0-35-9])(?:[ -]?[0-9]){6}$/
NOT VERY PRECISE
/^(?:\(?(?:\+?61|0)2\)?(?:[ -]?[0-9]){7}[0-9]$/
Victorian and Tasmanian landline phone numbers (area code optional):
VERY PRECISE
/^(?:\(?(?:\+?61|0)3\)?[ -]?)?(?:4[ -]?[0-57-9]|[57-9][ -]?[0-9]|6[ -]?[1-67])(?:[ -]?[0-9]){6}$/
NOT VERY PRECISE
/^(?:\(?(?:\+?61|0)3\)?(?:[ -]?[0-9]){7}[0-9]$/
Queensland landline phone numbers (area code optional):
VERY PRECISE
/^(?:\(?(?:\+?61|0)7\)?[ -]?)?(?:[2-4][ -]?[0-9]|5[ -]?[2-7]|7[ -]?6)(?:[ -]?[0-9]){6}$/
NOT VERY PRECISE
/^(?:\(?(?:\+?61|0)7\)?(?:[ -]?[0-9]){7}[0-9]$/
South Australia, Northern Territory, Western Australia landline phone numbers (area code optional):
VERY PRECISE
/^(?:\(?(?:\+?61|0)8\)?[ -]?)?(?:5[1-4]|6[0-8]|[7-9][0-9])$/
NOT VERY PRECISE
/^(?:\(?(?:\+?61|0)8\)?(?:[ -]?[0-9]){7}[0-9]$/
Australian Mobile phone numbers only
VERY PRECISE
/^(?:\+?61|0)4 ?(?:(?:[01] ?[0-9]|2 ?[0-57-9]|3 ?[1-9]|4 ?[7-9]|5 ?[018]) ?[0-9]|3 ?0 ?[0-5])(?: ?[0-9]){5}$/
NOT VERY PRECISE
/^(?:\(?(?:\+?61|0)4\)?(?:[ -]?[0-9]){7}[0-9]$/
Belgian phone number
/^((\+|00)32\s?|0)(\d\s?\d{3}|\d{2}\s?\d{2})(\s?\d{2}){2}$/
Belgian mobile phone number
/^((\+|00)32\s?|0)4(60|[789]\d)(\s?\d{2}){3}$/
French phone number
/^((\+|00)33\s?|0)[1-5](\s?\d{2}){4}$/
French mobile phone number
/^((\+|00)33\s?|0)[679](\s?\d{2}){4}$/
Luxemburg phone number
/^((\+|00\s?)352)?(\s?\d{2}){3,4}$/
Luxemburg mobile phone number
/^((\+|00\s?)352)?\s?6[269]1(\s?\d{3}){2}$/
German marks (with optional plus or minus)
/^[1-6]{1}[\+|\-]?$/
Age Validation:
Example: Age 20-99
/([2-9][0-9])/Example: Age 18-35
/(1[8-9]|2[0-9]|3[0-5])/
Example: Age 19-65
^(1[8-9]|[2-5][0-9]|6[0-5])$
Number validation:
Numbers from 1 to 99999
/^([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])$/
/^[1-9][0-9]{0,4}$/ does the same as above but should run a little faster
Numbers from 1 to 999, 1.000 to 999.999 to 999.999.999
/^[1-9][0-9]{0,2}(?:\.[0-9]{3}){0,2}$/ accepts numbers from 1 to 999, 1.000 to 999.999 to 999.999.999 but rejects numbers like 999.1.1 , 94.22.22, 999.1.22, 999.11.1, 999.1.333
Number validation with optionnal decimal (for price)
/^([1][0-9][0-9]|[1-9][0-9]|[0-9])((\.)[0-9][0-9])?$/ accepts numbers from 0 to 199, with 2 decimal optionnal
/^[1-9][0-9]{0,2}(?:,?[0-9]{3}){0,3}\.[0-9]{2}$/ forces two decimal points accepts numbers from 1.00 to 999,999,999.00 with an optional comma delimiting thousands/millions including all of the following: 1.00, 1,000.00 , 12,345.67 , 12345,02 , 123,456,468.00 , 1234566.00 , 123456789.00 but not 1,23.00 , 12,3.4 or 1234,43.04
/^[1-9][0-9]{0,2}(?:,?[0-9]{3}){0,3}(?:\.[0-9]{2})?$/ same as above but the two decimal points are optional
Month (1-12)
If you want to ask for the month a person was born you can validate the input as follows:
/^[0]*[1-9]$|^[0]*1[0-2]$/
Minimum width (set to 3 in this example)
/^.{3,}$/
Currency
US currency (dollar sign and cents optional)
/^\$?\d+(\.(\d{2}))?$/
Swiss price
A number with two decimal numbers after the decimal point of which the last one is either a 5 or a 0:
/^(\d+)(\.\d(05)?)?$/
Validate score
1-10
/^[1-9]{1}$|^10$/
1-100
/^[1-9]?[0-9]{1}$|^100$/
Text validation
currently multiple short text doesn't support minimum or maximum answers. One way around this is to use a long free text type question with a regular expression.
The following test for at least one word per line for at least 3 lines and no more than 10 lines.
/(?:[^,.;:?!& \n\r]+(?: [^,.;:?!& \n\r]+)*)(?:[,.;:?!& \n\r]?(?:\n|\r|\n\r|\r\n)(?:[^,.;:?!& \n\r]+(?: [^,.;:?!& \n\r]+)*)){2,10}/is
If you wanted, say five words per line you could change the first and last star/asterisk to {4,} e.g.
/(?:[^,.;:?!& \n\r]+(?: [^,.;:?!& \n\r]+){4,})(?:[,.;:?!& \n\r]?(?:\n|\r|\n\r|\r\n)(?:[^,.;:?!& \n\r]+(?: [^,.;:?!& \n\r]+){4,})){2,10}/is
If you wanted one or more words per line on between 1 and 5 lines, you can change the content of the last curley braces to {0,4} (note you use 0 because you're already matching the first line.
/(?:[^,.;:?!& \n\r]+(?: [^,.;:?!& \n\r]+)*)(?:[,.;:?!& \n\r]?(?:\n|\r|\n\r|\r\n)(?:[^,.;:?!& \n\r]+(?: [^,.;:?!& \n\r]+)*)){0,4}/is
Word count
The following restricts the number of words allowed to a minimum of 1 and a maximum of 200
/^[-\w]+(?:\W+[-\w]+){0,199}\W*$/
To increase the minimum change the zero part of {0,199}
To increase or decrease the maximum change the "199" part of {0,199}
Time validation
There are a number of ways of writing time formats. Some of the possible options are 12 hour or 24 hour, with seconds or without. regular expressions below:
The following three validation strings test for 24 hour time (in order of appearences) without seconds, with optional seconds lastly with seconds required.
/^(?:[01][0-9]|2[0-3]):[0-5][0-9]$/ /^(?:[01][0-9]|2[0-3]):[0-5][0-9](?::[0-5][0-9])?$/ /^(?:[01][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]$/
The following three match 12 hour time, as above with seconds, optional seconds and with seconds required
/^(?:00:[0-5][0-9] (?:am|AM)|(?:0[1-9]|1[01]):[0-5][0-9] (?:[ap]m|[AP]M)|12:[0-5][0-9] (?:pm|PM))$/ /^(?: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))$/ /^(?:00:[0-5][0-9]:[0-5][0-9] (?:am|AM)|(?:0[1-9]|1[01]):[0-5][0-9]:[0-5][0-9] (?:[ap]m|[AP]M)|12:[0-5][0-9]:[0-5][0-9] (?:pm|PM))$/
The following three match either 12 or 24 hour time as above with seconds, optional seconds and with seconds required
/^(?:(?:00:[0-5][0-9] (?:am|AM)|(?:0[1-9]|1[01]):[0-5][0-9] (?:[ap]m|[AP]M)|12:[0-5][0-9] (?:pm|PM))|(?:[01][0-9]|2[0-3]):[0-5][0-9])$/ /^(?:(?:00:[0-5][0-9](?::[0-5][0-9])? (?:am|AM)|(?:0[1-9]|1[01]):[0-5][0-9](?::[0-5][0-9])? (?:[ap]m|[AP]M)|12:[0-5][0-9](?::[0-5][0-9])? (?:pm|PM))|(?:[01][0-9]|2[0-3]):[0-5][0-9](?::[0-5][0-9])?)$/ /^(?:(?: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])$/
US States
To validate for one state use the following (example is Texas):
TX uppercase only = /^(TX)$/
tx lowercase only = /^(tx)$/
TX upper or lowercase = /^([T|t][X|x])$/
Profanity Filter
To filter profanity words from an answer:
/^(?i)((?!\bENTERPROFANITYHERE\b).)*$(?-i)/
Replace "ENTERPROFANITYHERE" with your bad word.
The \b will allow passing of words such as "assassination" & "hello" if you enter "ass" or "hell" as your profanity word. This also works if you are trying to omit other words, names etc. from answers.
