Regular Expressions 101

I use this for validation on an input. Currency input that must include comma separation. Decimal places, 2, optional. No minus sign or currency symbols allowed. Valid: 1,000 1,234.56 1,234,555 ...

09/21/11 10:47 29 Allow Partner-SQL-eComm 46990 tcp Partner-Web-eComm mysql 19999

Gettin plate from text (eng-gre)

Anacode:\s(\S+)\sTest Code:

Addes a non-breaking space after any of the letters included in the [vozuskia] class.

Match a http, https and local path url that contains Mp4

https://symbl.cc/en/unicode-table/#latin-extended-b

用于获取文件或者图片链接的文件名包含后缀

^ - This signifies the start of the expression. https?:// - This matches either "http://" or "https://". (www.)? - This makes the "www." subdomain optional. [A-z0-9]+ - This matches one or more alphanumeric characters for the domain name. . - This matches a literal period character. [A-z0-9]+ - This...

^ - This indicates the beginning of the expression. - This part specifies that the first character cannot be a digit, hyphen, or underscore. So the first character must be a letter, period, or other special character. [A-z0-9.-]+ - This part requires the username to contain at least one character...

Validate accepted patterns from PEP 440

matches a timestamp that is in the format of Aug 14, 2024, 10:12 AM or month shortcode followed by day, year, time in 12 hours

Maches german era notations in date "v. Chr" and "v. Ztr" It is meant to be tolerant : periods and spaces are optional, and it is case insensitive

just as god intended. "T const" -> "const T"

Splits a Docker image string into the separate parts: image, tag, digest tag and digest are optional

Simply e-mail pattern for html tag.

Given a string, the regex would match if it is a valid IPv4 address.

This regex matches a single one-line C-like string literal. The parsing rules are almost exactly the same as C string literals: A string literal can be surrounded by either single or double quotes, but they must match. In a double quoted string, single quotes can optionally not be preceded by a back...

Description This parses a line of C-like source code into the groups `, , , , and `. It should be matched against a line of source code either containing or not containing the line ending. Use Cases ...

"/" - start of regular expression "^" - anchor to beginning of string Group: [a-z0-9]+ "[a-z0-9]" - Latin character or digit "+" - occurring ONE or more times...