Detect/Pick IPv4 address

In a .csv file where every field is quoted (for whatever reason) select the first two columns

separate Chapter titles from the text flow adding new empy lines before and after

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 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...

日本・京都府京都市の住所に通り名が含まれる場合があります。通り名が含まれるとナビアプリに入力したときに検索結果が0件になる場合があります。この場合に通り名を削除するために、通り名を検出する正規表現を考えました。 例えば、「京都府京都市上京区室町通一条上る小島町123-4」であれば「今出川通室町西入ル」が通り名です。 Addresses in Kyoto City, Kyoto Prefecture, Japan, may sometimes include street names. When a street name is included, entering it into a nav...

Validate accepted patterns from PEP 440

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 ...

This should match any valid Obsidian internal links, in either wikilinks or Markdown format. It is designed for use with ICU.

Get description from metadata GPX file

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