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  1. 标签
  2. numbers
  • Codeforces Round #640 (Div. 4)A. Sum of Round Numbers

    题目链接:https:codeforcescontest1352problemAproblem descriptionA positive (strictly greater than zero) integer is cal
    CodeForcesdivnumbersSUM
    admin1月前
    170
  • javascript - Regular Expression: Letters, numbers, spaces, hyphens, periods, and underscores only and must begin with a letter -

    After a few tutorials I thought I had this, but nope ---I am trying to only match a string of letters,
    admin4月前
    60
  • javascript - Allow only letters, numbers, and hyphen in input? - Stack Overflow

    I want to accept only letters, numbers, and hyphen (dash) in the input. in php, i do this:if(!preg_matc
    javascriptAllow only lettersnumbersand hyphen in inputStack Overflow
    admin6月前
    220
  • javascript - regex - only allow English(lower or upper), numbers, special characters - Stack Overflow

    I am trying to limit user's input as followings.English characters (a to z or A to Z)Numeric char
    admin6月前
    60
  • javascript - regex allow only letters, numbers, dot, underscore, dash. at least 5 characters - Stack Overflow

    How to make regex fit below rules allow only letters (uppercase or smallcase), numbers, dot, undersco
    admin6月前
    130
  • javascript regex to allow letters, numbers, periods, hyphens, underscores, and spaces - Stack Overflow

    I'm trying to affix form data (username) to a url.On the site, a username can consist of letters
    admin6月前
    190
  • c# - Regex pattern allowing alphabets, numbers, decimals, spaces and underscore - Stack Overflow

    I am not good with regular expression patterns.I have to put a validation on an string, to allow only
    admin6月前
    80
  • javascript - Regular Expression: Allow letters, numbers, and spaces (with at least one letter not number) - Stack Overflow

    I'm currently using this regex (^[A-Za-z0-9 _]*[A-Za-z0-9][A-Za-z0-9 _]*$) to accept letters, nu
    admin7月前
    270
  • javascript use test with regex for letters, numbers, spaces and dash - Stack Overflow

    I use a javascript test with regex for numbers, letters and underscore. I want to change the regex to r
    javascript use test with regex for lettersnumbersspaces and dashStack Overflow
    admin7月前
    60
  • excel - Conditional Format Cells with Special Characters including Accented Letters, Numbers, and Punctuation - Stack Overflow

    I'm using Excel Version 2411, and I'm working on a file where I need to apply conditional for
    admin7月前
    130
  • javascript - How to remove everything but letters, numbers, space, exclamation and question mark from string? - Stack Overflow

    How to remove everything but:letters, numbers, spaces, exclamation marks, question marks from a string?
    admin8月前
    70
  • javascript - Regular Expression: Allow letters, numbers, and spaces (with at least one letter or number) - Stack Overflow

    I'm currently using this regex ^[A-Z0-9 _]*$ to accept letters, numbers, spaces and underscores. I
    admin8月前
    50
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