Tagged Questions

-2
votes
0answers
63 views

What is the regular expresion algorithm in java [on hold]

I am interested to know how regular expressions in JAVA work (To expand my general knowledge :-) ). I tried to read the code of the Pattern class and got lost. Is there a document which explains how ...
3
votes
2answers
32 views

Java regex with a positive look behind of a negative look ahead

I am trying to extract from this kind of string ou=persons,ou=(.*),dc=company,dc=org the last string immediately preceded by a coma not followed by (.*). In the last case, this should give ...
2
votes
2answers
43 views

Java - replace all instances of path separators with system path separator

I've taken the regex matching both slash and backslash from this answer: Regex to match both slash in JAVA String path = "C:\\system/properties\\\\all//"; String replaced = ...
2
votes
6answers
64 views

Java regex in scanner

I know it is simple, but I do not know why it does not work. I try to check if next String in scanner is matched by the pattern: String should begins with " DESCRIPTION". So, I try: Scanner sc = ...
-4
votes
2answers
49 views

What does this regular expression mean specifically the single part? [on hold]

I understand the latter part of this expression, however what does \d{2} represents in this regular expression "(\\d{2}(0[1-9]|1[012]|[0]{2}))";
0
votes
3answers
54 views

java String.split(regex) design

I'm importing a file with umpteen lines of "##,##". Each number can be one or two digits. I'd like to use String.split(regex) to get the two numbers without the adjacent quote marks. Understanding ...
0
votes
3answers
44 views

Writing regex to find consecutive character 'o'

I wrote a regex to detect the a repeating o at the end of a word. Here's my regex; Pattern p = Pattern.compile(".*[o]\\1+"); For example if i have a word zoo, masoo or kjuoo, it should be detected ...
1
vote
3answers
57 views

Trimming digits at the end of String

I want to trim the last occurring numeric characters from the String Eg: "abc123" => "abc" "abc12xyz34" => "abc12xyz" Written below snippet to extract it. Just want to explore if this can be ...
0
votes
3answers
79 views

Java validate price with comma or dot and two decimal value [on hold]

What is the best way and the solution to validate a string that must represents a price value with dot or comma and with maximum two decimal values? RegExp, java.text.DecimalFormat or something else? ...
0
votes
0answers
63 views

Regex for detecting Dynamic SQL

My apologies if this is confusing, as I am a beginner at SQL, and not familiar with the standard terms, so here goes... I am writing an SQL code beautifier in java, using regex to detect SQL syntax ...
4
votes
2answers
56 views

Writing a regex to detect repeat-characters [duplicate]

I need to write a regex, that would identify a word that have a repeating character set at the end. According to the following code fragment, the repeating character set is An. I need to write a regex ...
3
votes
1answer
59 views

Java Regex not recognizing the string

I am trying to find if a string fits the format "name"/"version". Here is an example of what I expect to have. VideoPart/1.2 I've tried many regexes. The closest I have come is this: ...
-1
votes
5answers
61 views

Replace every match but the first

I need a regular expression to do the following: I have this String: 123.45.678.7 and I need to replace all (.) characters from the second. The result will be 123.456787 ¿Can anyone help me please? ...
1
vote
3answers
80 views

Splitting sentences at spaces but not in html tags [on hold]

I want to split a senctence at the whitespaces in java. But in the text they are html tags and I don't want to split the words here. So for example "hello <a>John Smith</a> hey ho" should ...
0
votes
3answers
55 views

Regex to match nested json objects

I'm implementing some kind of parser and I need to locate and deserialize json object embedded into other semi-structured data. I used regexp: \\{\\s*title.*?\\} to locate object {title:'Title'} ...

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