Recent questions tagged Regex

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regex - Regular expression find and replace in Postgres

I have a table that contains a number of rows with columns containing a URL. The URL is of the form: http:// ... t quite wrap my head around it. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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regex - comparison table for emacs regexp and perl compatible regular expression (PCRE)?

Is there a nice table or a cheatsheet on the web that compares the sytax of emacs regex and PCRE? That ... be good for minimizing confusion. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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regex - How can I find all matches to a regular expression in Perl?

I have text in the form: Name=Value1 Name=Value2 Name=Value3 Using Perl, I would like to match /Name=(.+?)/ ... 't know how to get all matches. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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992 views

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regex - How to process multiline log entry with logstash filter?

Background: I have a custom generated log file that has the following pattern : [2014-03-02 17:34:20] ... be really appreciated. Thanks, Abdou. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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782 views

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regex - Regular expression to search multiple strings (Textpad)

I'm a bit new to regex and am looking to search for multiple lines/instaces of some wildcard strings such as *8768, ... as *8768,*9875 etc... See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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regex - 6 digits regular expression

I need a regular expression that requires at least ONE digits and SIX maximum. I've worked out this, but ... -999999]$ Any other suggestion? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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859 views

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regex - Validate a JavaScript function name

What would be a regular expression which I can use to match a valid JavaScript function name... E.g. myfunction would be ... . [a-zA-Z0-9_])? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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792 views

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regex - Rails 3: Validate IP String

In Rails 3, is there a built in method for seeing if a string is a valid IP address? If not, what is the easiest way to validate? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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867 views

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regex match any single character (one character only)

How do you match any one character with a regular expression? I am writing this question and the following ... character in regex match only See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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992 views

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regex - javascript includes() case insensitive

I have an array of strings that I need to loop and check against with another passed in string. var ... strings like FirsTsTriNg or fiRSTStrING? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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808 views

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regex - Remove Numbers in Notepad++

I have here a text file with 245. asdasd 45. asdasd 42. gfhfgh 5353. sdfsdf want to remove all numbers in front ... with find and replace [0-9]. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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712 views

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regex - Is there a way to really pickle compiled regular expressions in python?

I have a python console application that contains 300+ regular expressions. The set of regular expressions is ... would be greatly appreciated. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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673 views

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regex - MessageFormat in javascript (parameters in localized UI strings)

What is a good way for handling parameters in localized strings in javascript? I am using the same format as in ... to hear any other options. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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845 views

1 answer

regex - Replace regexp capture-group in Notepad++?

Quick question: I have a regexp, ^(?:[A-Z]+s+)+(.*)d{8}, that gives two capture groups. I ... 75793250. Replacing the 1 with a whitespace. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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772 views

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regex - Java string - get everything between (but not including) two regular expressions?

In Java, is there a simple way to extract a substring by specifying the regular expression delimiters on either side ... line breaks... thanks! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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956 views

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regex - Java regular expression value.split("\."), "the back slash dot" divides by character?

From what I understand, the backslash dot (.) means one character of any character? So because backslash is an ... each string in the array? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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507 views

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regex - Does this set of regular expressions FULLY protect against cross site scripting?

What's an example of something dangerous that would not be caught by the code below? EDIT: After some of the ... .IgnoreCase); return s; } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

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regex - Extracting IP address from a line from ifconfig output with grep

Given this specific line pulled from ifconfig, in my case: inet 192.168.2.13 netmask 0xffffff00 broadcast 192 ... ), presumably with regex? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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822 views

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regex - Search in VS Code for multiple terms

Suppose I search on VS Code the terms 'word1 word2'. Then it finds all the occurrences where 'word1' is followed ... . How can I do it? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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723 views

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regex - Concatenate in bash the output of two commands without newline character

What I need: Suppose I have two commands, A and B, each of which returns a single-line string (i.e., a ... this command is The quick brown fox See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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745 views

1 answer

regex - How to validate numeric values which may contain dots or commas?

I need a regular expression for validation two or one numbers then , or . and again two or one numbers. So, these are ... 11,11 11.11 1.1 1,1 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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865 views

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regex - Regular expression: find spaces (tabs/space) but not newlines

How can I have a regular expression that tests for spaces or tabs but not newlines. I tried s but found out ... /WPF but it shouldn't matter. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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669 views

1 answer

regex - Fastest way to check if a string matches a regexp in ruby?

What is the fastest way to check if a string matches a regular expression in Ruby? My problem is that I have ... to make this test even faster? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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687 views

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regex - Javascript Regexp - Match Characters after a certain phrase

I was wondering how to use a regexp to match a phrase that comes after a certain match. Like: var phrase ... without having to modify a string? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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904 views

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regex to remove all text before a character

Is there an easy way to remove all chars before a "_"? For example, change 3.04_somename.jpg to somename.jpg. ... check are hard to learn from. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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810 views

1 answer

regex - Match specific length x or y

I'd like a regex that is either X or Y characters long. For example, match a string that is either 8 or ... complex than this simple d example)? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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905 views

1 answer

regex - How can I replace multiple empty lines with a single empty line in bash?

I have a file that contains: something something else something else again I need a bash command, sed/grep w. ... on multi-line regex patterns. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

1 answer

regex - How to extract domain name from url?

How do I extract the domain name from a url using bash? like: http://example.com/ to example.com must work for any tld, not just .com See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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