Regular expression for validating date in asp net Pussy in salem ohio


11-Aug-2017 16:53

regular expression for validating date in asp net-22

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If we're validating client-side, we need to ensureuser input is restricted to the printable code set.

And in the spirit of nottrusting anything inbound, we need to filter again server-side.

If you're uncomfortable with the character length limits on domain and tldnames, change them to taste.**/ hodsfords:i love your expression,and i've came out with a solutions which does not need to set the number of times for the can accept unlimited number of times, but @ least 1 time / .xxx$exp = "^[a-z0-9] [a-z0-9\? @[a-z0-9_-] (\.[a-z0-9_-] )*\.[a-z] $"; This example checks for a valid IP address or CIDR notation address range.

(Thanks Walo for just the start I needed.)The reg exp is too long to post in the code.

ALL special characters (the few exceptions are listed below), lose their special significance in a bracket expression. {\ all of which have special meaning outside of a bracket expression, inside they will match LITERALLY!

The backslash character can never escape anything in a bracket expression including itself! Here are the exceptions^ at the start of the bracket expression will match on all but the set of characters within the bracket expression- (hyphen) Indicates range, so [a-z] will match a single character in the range a-z (case insensitive for eregi). it matches a single character from the range of characters from `!

I was searching for a fast way to check all fields of a form, so I caninclude the $_POST information directly to the sql query.

Anyhoo, here's the modded regex builder://the variables$local = '[\x20-\x2D\x2F-\x7E]';$alnum = 'a-z0-9';$domain = "([$alnum]([-$alnum]*[$alnum] )?

)";//the array$arr = array();$arr['start'] = '^';$arr['local'] = "$local (\.$local )*";$arr['at'] = '@';$arr['domain'] = "($domain\.) ";$arr['tld'] = "[$alnum]";$arr['end'] = '$';//the regex$regex = implode('',$arr);/**$regex evaluates to:^[\x20-\x2D\x2F-\x7E] (\.[\x20-\x2D\x2F-\x7E] )*@(([a-z0-9]([-a-z0-9]*[a-z0-9] )?

breakup the username/alias (ereg) and domain (eregi) parts of the email "^[a-z A-Z0-9_\-] (:? Contrary to most folks' expectation, a quoted @ character is permitted in thelocal part of an email address.

\.svg|\.wmf|\.zip|\.tar\.gz|\.tgz)$"That is the proper file check for a well formatted beginning and ending filename for those select files. So strictly speaking bobocop's test result for'@[email protected]' is ...inconclusive?

To match a literal `-' it must be at the start or end of the bracket expression or the end of a range, or enclosed in [. Examples: [0-9-] [-0-9] Both the above will match a single character from the set comprising the digits and hyphen `-' [! ' to hyphen `-' [[.-.]-9] is the same as [-./0123456789] or [./0123456789-] and will match a single digit from the range of characters from hyphen `-' to digit 9 ] The closing bracket indicates the end of a bracket expression but not if it immediately follows the opening bracket `[' or `[^' in that case the closing bracket is matched literally.