RegExLib.com - The first Regular Expression Library on the Web!

Please support RegExLib Sponsors

Sponsors

Browse Expressions by Category

91 regular expressions found in this category!

Expressions in category: Strings

Change page:   |    Displaying page 5 of 5 pages; Items 81 to 91
Title Test Details Pattern Title
Expression
^[a-zA-Z]+(([\'\,\.\-][a-zA-Z])?[a-zA-Z]*)*$
Description
This allows you to validate first names and last names in seperate fields. Instead of validating a full name in one field.
Matches
Sameul | O'Conner | Mary-Kate
Non-Matches
David Bugel | Robert1 | Robert M. Larry
Author Rating: Not yet rated. Hayk A
Title Test Details Pattern Title
Expression
.*[Vv][Ii1]agr.*
Description
Spam Stopper
Matches
V1agra
Non-Matches
na
Author Rating: Not yet rated. Alanski Perryman
Title Test Details Pattern Title
Expression
(.)\1{2,}
Description
matches any string with characters repeated more than twice, sometimes used as fake input
Matches
aaaeee | ???????? | gooogle
Non-Matches
google | booboo
Author Rating: Not yet rated. Bernard Martin-Rabaud
Title Test Details ISBN-10
Expression
ISBN\x20(?=.{13}$)\d{1,5}([- ])\d{1,7}\1\d{1,6}\1(\d|X)$
Description
This RE validates the format of an ISBN number
Matches
ISBN 0 93028 923 4 | ISBN 1-56389-668-0 | ISBN 1-56389-016-X
Non-Matches
123456789X | ISBN 9-87654321-2 | ISBN 123 456-789X
Author Rating: Not yet rated. Michael Ash
Title Test Details Pattern Title
Expression
(?<LastName>[A-Z]\w+\-?[A-Z]?\w*),\s(?<Suffix>Jr\.|Sr\.|IV|III|II)?,?\s?(?<FirstName>[A-Z]\w*\-?[A-Z]?\w*\.?)\s?(?<MiddleName>[A-Z]?\w*\.?)
Description
Regex parses elements from a proper name in &lt;&lt;Last, First&gt;&gt; order and permutations. Comments and critiques are welcome.
Matches
Walker, David F | Smith, Jr., J. S. | DeCarlo, Yvonne
Non-Matches
peterson, oscar
Author Rating: Not yet rated. David Walker
Title Test Details Pattern Title
Expression
(\d{6}[-\s]?\d{12})|(\d{4}[-\s]?\d{4}[-\s]?\d{4}[-\s]?\d{4})
Description
Credit card validator Works for switch card numbers too Switch card bit is (\d{6}[-\s]?\d{12}) Credit card bit is (\d{4}[-\s]?\d{4}[-\s]?\d{4}[-\s]?\d{4}) I use this as a client side test before running a more comprehensive server side check.
Matches
5111 1111 1111 11118 | 1234123412341324 | 123456 123456789012
Non-Matches
511a 1111 1111 11118
Author Rating: Not yet rated. Joe Gass
Title Test Details Pattern Title
Expression
^((Bob)|(John)|(Mary)).*$(?<!White)
Description
&quot;Starts with but does not end with.&quot; I needed a pattern to require certain first (and optional middle) names, but to fail for certain last names. So if Bob, John, and Mary are acceptable first names but the White's are always rejected then...
Matches
Bob Jones | John Smith | Mary Jane Smith
Non-Matches
Bob White | Mary Doe White | Gina Smith
Author Rating: Not yet rated. Eli Robillard
Title Test Details Pattern Title
Expression
^ISBN\s(?=[-0-9xX ]{13}$)(?:[0-9]+[- ]){3}[0-9]*[xX0-9]$
Description
This pattern validates ISBN numbers. I've written a full description about it here: http://regexblogs.com/dneimke/posts/201.aspx
Matches
ISBN 90-70002-34-5 | ISBN 90-70002-34-x
Non-Matches
ISBN 90-70002-34-5x | ISBN 90-700-02-34-5
Author Rating: Not yet rated. Darren Neimke
Title Test Details Pattern Title
Expression
.*[\$Ss]pecia[l1]\W[Oo0]ffer.*
Description
Spam stopper
Matches
$pecia1 0ffer
Non-Matches
na
Author Rating: Not yet rated. Alanski Perryman
Title Test Details Pattern Title
Expression
(\w(\s)?)+
Description
Used to verify that the string consists of only A-z, 0 - 9 and underscore. Several words allowed, only one space between them. No spaces up front. Hey, I know it's easy, but it was not in the library! Plus, the test option here is not working well all the time.
Matches
Test | TesT | tesT9 _test9
Non-Matches
\\\
Author Rating: Not yet rated. Alsu Fifty
Title Test Details Pattern Title
Expression
regex
Description
This pattern matches..
Matches
regex
Non-Matches
a
Author Rating: Not yet rated. Roy Osherove
Change page:   |    Displaying page 5 of 5 pages; Items 81 to 91

Copyright © 2001-2020, RegexAdvice.com | ASP.NET Tutorials