split by comma if comma not in between brackets while allowing characters to be outside the brackets with in the same comma split
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I have this python script. That uses some regular expression. I want to split the string s, but commas while ignoring any commas that exists within the brackets.
s = """aa,bb,(cc,dd),m(ee,ff)""" splits = re.split(r'\s*(\([^)]*\)|[^,]+)', s, re.M|re.S) print('\n'.join(splits)) Actual output: aa , bb , (cc,dd) , m(ee , ff) Desired output: aa bb (cc,dd) m(ee,ff)
So I can't make it handle having text outside the brackets. Was hoping someone could help me out.
Regex: Splitting by Character, Unless in Quotes, but then what if you needed to use a comma in your string and not split on it? string that says "split on all comma characters unless it's in between quotes". Java split string by comma example shows how to split string by comma in Java. The example also shows how to handle CSV records having a comma between double quotes or parentheses. How to split String by comma in Java? You can split string by comma in Java using the split method of the String class.
findall instead - repeat a group that matches
(s followed by non-
) characters, followed by
), or matches non-
s = """aa,bb,m(cc,dd)""" matches = re.findall(r'(?:\([^(]+\)|[^,])+', s, re.M|re.S) print('\n'.join(matches))
If speed is an issue, you can make it a bit more efficient by putting
( in the other negative character set, and alternating it first:
How to split by commas that are not within parentheses?, Split string on commas but ignore commas within double-quotes Same goes for the quotation marks. 2 split by comma if comma not in between brackets while allowing characters to be outside the brackets with in the same comma split . A comma split is NOT a comma splice, which is the use use of a comma to join two independent clauses. So let’s take a look at what a comma split is. There are six deadly splits you need to avoid when forming your sentence. 1. There should not be a comma separating the SUBJECT AND VERB. (The doctor, walked into the lobby.) 2.
try : r',([^,()][(][^()][)][^,])|([^,]+)'
tested on regex101 : https://regex101.com/r/pJxRwQ/1
Match regular expression (case sensitive), c must be followed by one of the characters inside the brackets, [aeiou] . To split a character vector at other delimiters, such as a semicolon, you do not need to The regexpi function uses the same syntax as regexp , but performs case- insensitive matching. '\x2C' matches the comma character, defined by hex 2C . Split Comma Separated Values into Rows or Columns with Text To Columns Assuming that you have a list of data in range B1:B5, in which contain text string separated by comma characters. And you need to split those comma-separated text string into different columns in Excel.
How to Split String based on delimiter in Java , You can use the split() method of String class from JDK to split a String based bit knowledge of regular expression, especially when the delimiter is also a special Bracket acts as character class in Java regex API and pipe (|) only has It allows you to specify any delimiter e.g. comma, colon, pipe // etc. If you set column delimiter as comma ( , ) and text qualifier as double quote ( " ) you will receive this error: The preview sample contains embedded text qualifiers ("). The flat file parser does not support embedding text qualifiers in data. Parsing columns that contain data with text qualifiers will fail at run time.
[PDF] Regular Expressions: The Complete Tutorial, This tutorial is quite unique because it not only explains the regex syntax, but also Simply place the characters you want to match between square brackets. If comma and max tells the engine to repeat the token exactly min times. If you want Java to return the same match as Perl, you'll need to split off the asterisk from� In a regex designed to "split" a string, the regex will necessarily match the character(s) on which to split. That is exactly what you are seeing, and what I would expect. But now you are presenting a different requirement which involves capturing, and perhaps replacing, those items.
14 Strings, When you first look at a regexp, you'll think a cat walked across your Beware that the printed representation of a string is not the same as string itself, Multiple strings are often stored in a character vector, which you can create with c () : if you use RStudio, because typing str_ will trigger autocomplete, allowing you to� Before I start explaining what a comma splice is and how to correct one, I want to make it clear that not all comma splices are errors.* Unfortunately, few American English teachers are aware that there is a type of comma splice that is perfectly acceptable, and so they mark all comma splices as errors.
- I changed the word 'expected' to 'desired'
- How are you getting
- I'm not, that's what I want. It's outputting m(ee\n ,\n ff)\n instead.
- No, but there is no
m(ee,ff)in the original string
- sorry, that was a mistake I made while editting. Fixed it now
- Check no of steps it takes on regex101.com/r/UXdHRe/2 (272 steps) vs my suggested split regex (146 steps).