This pattern can find any HTML tag. It supports attributes whose values may be enclosed between single or double quotes. It aslo support spaces between delimeters.

Validates the German Bank Code named "Bankleitzahl"

Very useful to detect if there are pieces of HMTL in a text

This small regex is useful to count the number of words of a text.

Gets simple tags without parameters

Very useful to get a value, Value is in a capture group for best handling.

Matches well-formed tags.

Only matches well-constructed tags.

Checks only for valid ones. Always in lowercase. Separated Tags and contents in three groups for useful handling.

Validates all German area dial code and telephone numbers.

Validates and German area dial code and telephone number.

For MySQL Date Time Format

Validates for string to be atleast 2 char and max 64 char

validates after dot operator. matches atleast 2 char and max 3 char.www dot is rejected.

Accepts valid EIN numbers. It could use a bit of tweaking because these are the current valid prefixes allowed. 1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 14, 15, 16, 20, 21, 22, 23, 24, 25, 26, 27, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 65, 66, 67, 68, 71, 72, 73, 74, 75, 76, 77, 80, 81, 82, 83, 84, 85, 87, 88, 90, 91, 92, 93, 94, 95, 98, 99

This Regular Expression is used to validate the EIN of Employer in US.

This RegularExpression is used to validate the US - SSN. This regular expression wont allow characters as well as all zeros

Good way to quickly search for highly educated people in a list or file

http://www.url.com || http://url.com || http://first.url.com || https://www.url.com || https://url.com

http://www.url.com || http://url.com || http://first.url.com || https://www.url.com || https://url.com

Date Format notations. Mostly used in DB applications where rigorous pattern matching for DATE is required.

Requires 10 digit number. Rest is same as email

It should be universal regular expression for US currency.

UK Vehicle Registration Plate / Number Plate format as specified by the DVLA. Accepts both "Prefix" and "New" style. Allows only valid DVLA number combinations as not all are supported. Registration number must be exactly as is displayed on car, hence all letters must be in uppercase and a space seperating the two sets of characters.

It allows only alphanumeric characters and some special symbols like "&",".","-"and"_"before'@'.After'@' symbolagain only alphanumeric character set are allowed.Then there should be a "."and after that it may have either three letter's word or two letter's word with a "."and one more two letter word attached with it. for example: noni@yahoo.com OR noni@yahoo.co.in.

Matches whole numbers with the two most common thousands-separators (comma and period). Will not handle decimals.

RFC compliant. Disallows '.' (period) to be at the front or end, or occurr more than once consecutively. It does allow for optional infinite number of sub-domains. However, the total length of the URI has not been enforced: each label must be between 1 and 63 characters long, while the total length of the domain name may not exceed 255 characters. Note that this RegEx does not check the validity of the protocol.

RFC2822 compliant. Includes all special characters, except for allowance of quoted local-part. Also disallows '.' (period) to be at the front or end of local-part, or occurr more than once consecutively. It does allow for optional infinite number of sub-domains. However, the total length of the email address has not been enforced. As per RFC2821 the local-part may have a maximum length of 64 characters, while the domain name may have a maximum length of 255 characters. The domain name part also conforms to RFC standards, with the exception that the lengths are not enforced. Each label must be between 1 and 63 characters long, while the total length of the domain name may not exceed 255 characters.

Yes, bra sizes can also be tested by regular expressions. The numeric digits represent the rib cage circumference, measured under the breast excluding the breast. It MUST be an even number. The letters determine the cup size - AA is the smallest, H (and beyond, which this regular expression does not represent) is the largest. In summary, the cup sizes are determined by the "full chest circumference" (which includes the breast) MINUS the rib cage circumference. Smaller differences are closer to A and larger differences are closest to DDD or F

Marine Longitude

Marine Latitude

This regex matches US and CAN phone numbers with area code and optional 3 or 4 digit PBX extention. It does not check for validity of area code or exchange number, other than for starting with a 0 or 1.

Allows "words" with alphanumeric characters, including the underscore _ character. Disallows leading or trailing spaces, also doubled-up spaces within the text. If you want to disallow the underscore character, you can replace the two occurrences of \w with a-zA-Z

this is reg expression for 0.00 to 25.00

This expression matches a US phone number with or without the leading 1.

it matches percentage from 1 to 100%. It ignores 0 or 0%. It only support integer matching.

This pattern matches valid w3c compatible datetime values from 1600 to 9999 in the form of [-]YYYY-MM-DDTHH:MM:SS[.ssss|[[+|-][HH:MM]][Z] also takes into account leap years.

This regular expression checks dates from 1600 to 9999 in the form of YYYY-MM-DD also takes into account leap years tested in PHP with PCRE

This regular expression using named groups was designed for Australian addresses in one line. Any part of an address may be omitted, as long as parts are in minor to major order. It should not be difficult to modify the regular express for analysing multi-line addresses. With a little modification, this regex may work for other postal address formats in minor to major order. The syntax is based on dot Net regular expression. The order is [POBox][ExtAdr][Street][Town][State][PostalCode][Country].

This is a pattern that matches the time format as recomended by the w3c for XML formats