Recent questions tagged Regex

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regex javascript to match both RGB and RGBA

Currently I have this regex which matches to an RGB string. I need it enhanced so that it is robust enough to match either ... ", "255", "0.5"] See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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regex - Do Python regexes support something like Perl's G?

I have a Perl regular expression (shown here, though understanding the whole thing isn't hopefully necessary to answering ... . What can I do? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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regex - Regular Expression - How to find a match within a match?

I've been trying to do the following using VBs Regular Expression object but could not find an easy way to do ... ? Thank you! Thanks, Allen See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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regex - How to prevent regmatches drop non matches?

I would like to capture the first match, and return NA if there is no match. regexpr("a+", c("abc", "def", "cba ... expected "a", NA, "a", "aa" See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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766 views

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regex - Regular expressions Equivalence

Is there a way to find out if two arbitrary regular expressions are equivalent? Looks like complex ... simplification mechanism or something? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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858 views

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regex - Swift 3 - How do I extract captured groups in regular expressions?

I am using Swift 3 and trying to access captured groups. let regexp = "((ALREADY PAID | NOT ALR | PROVIDER MAY ... 3. http://regexr.com/3fh1e See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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regex - Get final special character with a regular expression

i want a regular expression that groups a few special characters in the end of a string. The special character ... me the final pharenthesis ? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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975 views

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regex - Extract floating point numbers from a string in PHP

I would like to convert a string into floating numbers. For example 152.15 x 12.34 x 11mm into 152.15, 12 ... 152.15mmx12.34mm x 11mm Thank you. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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876 views

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regex - remove all numeric characters from column mysql

I want to develop one mysql function that can remove only numeric characters from the string. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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regex - Checking for diacritics with a regular expression

Simple problem: an existing project allows me to add additional fields (with additional checks on those fields as regular ... in C# 4.0.) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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813 views

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regex - Is There a Way to Match Any Unicode Alphabetic Character?

I have some documents that went through OCR conversion from PDF into HTML. Because of that, they wound up ... that changes anything. Thanks! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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642 views

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regex - Is there a way to define custom shorthands in regular expressions?

I have a regular expression of the form def parse(self, format_string): for m in re.finditer( r"""( ... the solution specifically for Python. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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746 views

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regex - Parse math operations with PHP

I am working on a project where I need to make a function that will parse the 4 default math operations ... math operations. Thanks in advance! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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909 views

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regex - Using $0 to refer to entire match in Javascript's String.replace

I'm highlighting instances of a search string within a set of text. I want to preserve the case of the ... this type of string replacement? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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regex - Java String ReplaceAll method giving illegal repetition error?

I have a string and when I try to run the replaceAll method, I am getting this strange error: String str = ... replace the occurrences of "{" ? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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590 views

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regex - Expressing basic Access query criteria as regular expressions

I'm familiar with Access's query and filter criteria, but I'm not sure how to express similar statements as ... L but not the word London. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

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regex - Javascript split by spaces but not those in quotes

The goal is to split a string at the spaces but not split the text data that is in quotes or separate ... would be greatly appreciated, Craig See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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706 views

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regex - parsings strings: extracting words and phrases [JavaScript]

I need to support exact phrases (enclosed in quotes) in an otherwise space-separated list of terms. Thus ... help would be greatly appreciated! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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869 views

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regex - HTML5 input pattern search for quote

I need to test an input field (<input type="text" />) against this regex: [^'"]+ This obviously is no ... engine. How can I accomplish this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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951 views

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regex - Ignore comments (#) using sed, but keep the lines untouched

I have a config file that I want to basically edit the uncommented lines, but not the commented lines. I'm using ... : TEST # test # test TEST See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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698 views

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regex - Filtering a diff with a regular expression

It seems that it would be extremely handy to be able to filter a diff so that trivial changes are not displayed. ... . BTW, I am using Git See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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845 views

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regex - Overlapping matches in R

I have searched and was able to find this forum discussion for achieving the effect of overlapping matches. I ... workaround than I have found. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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854 views

1 answer

regex - Validate date format in php

I'm trying to validate date using PHP. I'd like following formats to be valid: d/m/yy d/m/yyyy dd/m/yy ... FALSE; } Thanks for all your answers See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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748 views

1 answer

regex - Why doesn't Python's `re.split()` split on zero-length matches?

One particular quirk of the (otherwise quite powerful) re module in Python is that re.split() will never ... regex flavors behave like this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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542 views

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regex - Why are there so many different regular expression dialects?

I'm wondering why there have to be so many regular expression dialects. Why does it seem like so many ... to work in multiple languages. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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810 views

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regex - regular expressions: match x times OR y times

Lets say I need to match a pattern if it appears 3 or 6 times in a row. The closest I can get is ... ' should match '1234' should not match See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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747 views

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regex - Matching only a unicode letter in Python re

I have a string from which i want to extract 3 groups: '19 janvier 2012' -> '19', 'janvier', '2012' Month ... [:alpha:] which works in Python? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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699 views

1 answer

regex - Is it possible to exclude specified GET parameters in apache access logs?

I need to exclude some sensitive details in my apache log, but I want to keep the log and the uri's in ... you have the possibility to choose. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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