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Number of numbers without Regex symbols

E
esther last edited by
For verification, the regular expression shall not pass more than 6 digits
```
^(?!.*[0-9|\s]{6})(.*)$
```
No.
```
123456
12345 6
```
But why not?
```
12345aa6
```
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K
Kadir last edited by
This is a regular expression that passes a line containing 5 and less figures.
```
%^(?!(?:.*?\d){6})(.+)$%u
```
Example https://regex101.com/r/aP8yZ8/1
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regular expression 2983

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How do you ask for a certain number of symbols when the number is removed? c#
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Obviously you mean:Console.WriteLine("{0:0.000}", Math.PI); Detailed detailed documentation for MSDN begins here, further on internal references: https://msdn.microsoft.com/ru-ru/library/txafckwd(v=vs.110).aspx specifically, your case here is: https://msdn.microsoft.com/ru-ru/library/0c899ak8(v=vs.110).aspx
R

Regular expressions, replacement of symbols
Software Programming • java regular expression • • Raziyah00

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Use it.String result = s.replaceAll("[^\\w\\s]+", ""); See. https://regex101.com/r/xNQgyA/1 Here. [^\\w\\s] - it's an exclusive symbolic class that finds one and more. +(d) Symbols different from figures/bukv/data _ and underwear symbols.The other way is to exclude underwear symbols from \W by reading symbolic classes:String result = s.replaceAll("[\\W&&[^\\s]]+", ""); There's a pattern finding all the matches of one and more symbols that find \W Except I don't know.See. https://ideone.com/CzpiIW ♪
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How is my function of number numbers?
Software Programming • c sharp code inspection • • Kadir

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A classic solution with much lower overhead costs:while (k != 0) { result += k % 10; k /= 10; }
O

How to do Regex accepting only numbers?
Software Programming • php regex • • obi

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Y

Can use http://php.net/manual/en/function.ctype-digit.php to check if string contains only numbers. http://php.net/manual/en/function.is-numeric.php accepts fractional, negative numbers and too much sign.var_dump(is_numeric(-1.33)); //true var_dump(is_numeric(+1.33)); //true Change:$regular = "/^[0-9]*$/"; if(preg_match($regular, $this->cpf)){ if(!is_numeric($this->cpf)){ echo "O campo CPF só poderá conter Números"; die; } To:if(!ctype_digit("$this->cpf")){ echo "O campo CPF só poderá conter Números"; die; } If you really want to use regex, you can use #^\d{11}$# which says the string must have exactly eleven digits.You can refactor this function to:function formatacao_cpf_func(){ $tamanhoCPF = strlen($this->cpf); if(!ctype_digit("$this->cpf") || $tamanhoCPF != 11) die('O campo CPF é inválido'); echo "CPF foi digitado corretamente </br>"; $arr = str_split($str, 3); printf('%s.%s.%s-%s', ...$arr); } Basically where they had two if, now the conditions were added to tell if the entry (cpf) is valid or not.The way it is formatted the cpf first changed the string is converted into a separate array by three caracaters each element i.e. four elements with length of 3 and the last as 2. http://php.net/manual/en/function.printf.php or http://php.net/manual/en/function.sprintf.php mount a mask based on the format. Remembering that http://php.net/manual/en/functions.arguments.php#functions.variable-arg-list only works from php5.6 forward in previous versions it is necessary to specify the array indices or use the function http://php.net/manual/en/function.vprintf.php .In the regex version the size is already validated along with the numeric characters.function formatacao_cpf_func($cpf){ $regex = '#^\d{11}$#'; if(!preg_match($regex, $cpf)) die('O campo CPF é inválido'); echo "CPF foi digitado corretamente </br>"; $arr = str_split($cpf, 3); printf('%s.%s.%s-%s', ...$arr); }
There's some way to get only numbers without repeating a list on C#
Software Programming • c sharp • • Analeea

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In programming, the HashSet data structure allows the use of data without repeating itself.In official documentation: https://docs.microsoft.com/en-us/dotnet/api/system.collections.generic.hashset-1?view=net-5.0 it shows the details to be taken into account.using System; using System.Collections.Generic; public class Program { public static void Main() { List<int> lista = new List<int> { 2, 5, 6, 6, 11, 1, 1, 2, 3, 3 }; var listaSinRepetidos = new HashSet<int>(lista); foreach(var item in listaSinRepetidos){ Console.WriteLine(item); } } } Generates as a result:2 5 6 11 1 3
R

Recurrently pull the value this line
Software Programming • javascript regular expression • • rosemadder

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~^.*/([^/]+)$~But the split is good, not the fact that the regular is faster or better.I would. return url.split('/').pop();
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JS regularly add a gap only once
Software Programming • javascript regular expression input • • Trenton

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I don't know js, but that's what it was about to do on the online validation of the data input. I don't think that's right, but as an option.The field will not print symbols that are not suitable for the template.var reg = new RegExp('^(?!.* .* )(?!^ )[A-Za-zА-Яа-яЁё ]*$', 'gm'); var oldres; $('#choose').on('input', function(e) { const regres = $(e.target).val().match(reg); if (regres != null) { oldres = regres[0]; } else { $(e.target).val(oldres); } // console.log($(e.target).val()) })<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script> <form> <div> <label for="choose">Введите имя:</label> <input id="choose"> </div> </form>
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Restriction on the number of symbols after comma in TextBox
Software Programming • c sharp winforms • • chanisef

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There is nothing to be rounded up, especially if the data are used in further calculations, the fragments have problems with the presentation of the decimal boxes. Decimal There's no visual problem, it's kind of decimal, but it has a very limited range of values (even comparedeven) float) and it is not used with mathematical functions, so there are permanent activations instead of rounding.For conclusion, just use the formatted conclusion, for example:double val = 01234.56789; textBox1.Text = val.ToString("F2");//1234,57 A whole part of the whole and exactly two signs will be removed after the comma. Careful with the big steps, 1e100.ToString("F2")e.g. shall form a line of 103 long signs (100 per whole + split + 2 fragmented plates). In the case of large steps, it is better to adopt another format, a detailed description of possible formats https://msdn.microsoft.com/ru-ru/library/dwhawy9k(v=vs.110).aspx#Anchor_4 and https://msdn.microsoft.com/ru-ru/library/0c899ak8(v=vs.110).aspx ♪ The format is specified in the normal line, so you can shape it dynamically, for example by altering the accuracy of the withdrawal as necessary.For starters, see next door.
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Problem of retrieval of prices from different currencies
Software Programming • python regular expression • • kalena

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This decision will seek whole and decimal numbers with one or two signs after comma, followed by a currency code, one of the USD♪ EU♪ RUR:In [48]: pat = r'(?:^|[\n\r]|[^\w\d\.])([1-9]\d*(?:.\d{,2})?\s*(?:USD|EU|RUR))\b' In [49]: re.findall(pat, '89.78 USD 1.111 EU') Out[49]: ['89.78 USD'] In [50]: re.findall(pat, 'blah 23.78 USD, 22 UDD, 0.002 RUR 123 EU, 123.45 RUR, 1.111 USD') Out[50]: ['23.78 USD', '123 EU', '123.45 RUR'] In [51]: re.findall(pat, '23.89 USD 0.002 USD 0.3 UDD') Out[51]: ['23.89 USD'] In [52]: re.findall(pat, '23.89 USD 0.002 USD 0.3 UDD 1.5 RUR') Out[52]: ['23.89 USD', '1.5 RUR'] The comments revealed that 1.111 EU - the right entry. Logic why 0.002 USD is a wrong entry, but 1.111 EU - I can't understand. Therefore, in this solution, all the decimal numerals with more than two digits are considered to be incorrect user input.
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Regular expression: gap, rations or nothing
Software Programming • regular expression • • simrah

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It's just that, instead of two consecutive optical templates, use one optical,, two mandatory, and put them in an optical, uncovered submarine:[{1,2}(?:(.*?)([\s|]))?(.*?)]{1,2}(\w*) ^^^ ^ ^ See. https://regex101.com/r/jBczhk/1 ♪It was. (.*?)([\s|\|]?) - Extractive No. 1: 0+ of any symbols other than the translation of the line as small as possible and covering No.2: one or more of the laundry symbols or symbols |♪Stalo (?:(.*?)([\s|]))?: An optical non-covering group that seeks 1 or 0 repetitions (i.e. at least once) 0+ of any symbols other than the translation of the line as small as possible (covering submarine No. 1) and then a mandatory underwear symbol or sign | (covering No.2).
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How to reduce the number of symbols
Software Programming • javascript sorting code inspection • • jules

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JS, 119 symbolsz=a=>{if(r=a[0],!r)return'';for(i=0;i<r.length;i+=1)for(j=1;j<a.length;j+=1)if(r[i]!==a[j][i])r=r.slice(0,i);return r};
Disposition of the keyboard when maximizing the number of symbols EditText
Software Programming • android • • inna

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♪TextWatcherin methodonTextChanged(), compare the current length of the text in force edittext as long as possible, as soon as compared, remove the keyboard.InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE); imm.hideSoftInputFromWindow(myEditText.getWindowToken(), 0); About:mEditText = findViewById(R.id.my_edit_text); mEditText.addTextChangedListener(new TextWatcher() { @Override public void beforeTextChanged(CharSequence charSequence, int i, int i1, int i2) { } @Override public void onTextChanged(CharSequence charSequence, int i, int i1, int i2) { if(mEditText.getText().toString().length() == 5){ InputMethodManager imm = (InputMethodManager) getSystemService(INPUT_METHOD_SERVICE); imm.hideSoftInputFromWindow(mEditText.getWindowToken(), 0); } } @Override public void afterTextChanged(Editable editable) { } }); If there is a need to control several editTextYou can create your own TextWatcher♪ Example, invested class, he's in the activity class. private class GenericTextWatcher implements TextWatcher{ private View view; private GenericTextWatcher(View view) { this.view = view; } public void beforeTextChanged(CharSequence charSequence, int i, int i1, int i2) {} public void onTextChanged(CharSequence charSequence, int i, int i1, int i2) { if( view instanceof EditText){ EditText editText = (EditText) view; if(editText.getText().toString().length() == 5){ InputMethodManager imm = (InputMethodManager) getSystemService(INPUT_METHOD_SERVICE); imm.hideSoftInputFromWindow(editText.getWindowToken(), 0); } } } public void afterTextChanged(Editable editable) {} } UsemEditText.addTextChangedListener(new GenericTextWatcher(mEditText));
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Numbers. Number, two numbers to be removed through the gap
Software Programming • java cycles • • jules

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System.out.printf("%d %d", c, (x == 1)? 0 : x);
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Regular expression with variable number of sign in steam cars
Software Programming • python regular expression • • Duquan

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How can you be distinguished by the RE sign of resurrection (!) which is n-steam in steam?"!+" I'll have to check that the swallows are only steaming, and the signs (clothing) are only in those steam cars.^([^"!,:]|"[^"]*")*$
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Return the assigned number of symbols
Software Programming • python pandas dataframe regular expressions • • rielyn

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Example:df = pd.DataFrame({ 'SearchDate': pd.to_datetime(['2011-06-15 10:03:45.000000','2011-06-15 10:13:13.000000']), 'Price': [11444, 13779.5] })[['SearchDate', 'Price']] writer = pd.ExcelWriter("d:/temp/test.xlsx", engine='xlsxwriter', datetime_format='yyyy-mm-dd', date_format='yyyy-mm-dd') df.to_excel(writer, sheet_name='Sheet1') writer.save() Result: UPDATE:In [29]: df.SearchDate.dt.normalize() Out[29]: 0 2011-06-15 1 2011-06-15 Name: SearchDate, dtype: datetime64[ns] # дата с "обнуленным" временем In [30]: df.SearchDate.dt.strftime('%Y-%m-%d') Out[30]: 0 2011-06-15 1 2011-06-15 Name: SearchDate, dtype: object # дата в виде строки

Number of numbers without Regex symbols

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Regular expression: gap, rations or nothing
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Numbers. Number, two numbers to be removed through the gap
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Regular expression with variable number of sign in steam cars
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