substring | 易学教程

R code to search a word in a paragraph and copy the sentence in a variable

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问题 Input Juventus striker Carlos Tevez has been cleared to start the season with the Italian club after the former Manchester City star.When Tevez agreed to join Juve earlier in the close season, the Argentine still had to complete the majority of his 250 hours of unpaid work, imposed by Macclesfield Magistrates Court as punishment for a string of driving offences earlier this year.However, the terms have now changed, meaning Tevez will pay a fine instead of fulfilling the order, allowing him to

Find and cut out a python substring

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问题 Here is what I'm trying to do: I have a long string: s = asdf23rlkasdfidsiwanttocutthisoutsadlkljasdfhvaildufhblkajsdhf I want to cut out the substring: iwanttocutthisout I will be iterating through a loop and with each iteration the value of s will change. The only thing that will stay the same with each iteration is the begining and end of the substring to be cut out: iwant and thisout. How can I cut out the substring, given these parameters? Thanks for your help! 回答1: You can do a slice

strpos return wrong position at hebrew

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问题 I need help... I have hebrew php string and I want search position of substring. my code: $string = "אבגד הוזח טי"; $find = "הוזח"; $pos = strpos($string, $find); echo $pos; The strpos found the substring, but return wrong value of position. It return $pos value 9 Instead of 5. Why the strpos not working in hebrew strings? Can you help me please? 回答1: Try using mb_strpos. You will have to set your internal character encoding to UTF-8 using mb_internal_encoding . mb_internal_encoding("UTF-8");

jde日期转换

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select DATEADD(day,convert(int,substring(‘117064’,4,3))-1, convert(date,‘20’+substring(‘117064’,2,2)+’-01-01’)) 来源： CSDN 作者： sailbird 链接： https://blog.csdn.net/sailbird/article/details/103913181

search substring in list in python

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问题 I need to know if the letter b (both uppercase and lowercase preferably) consist in a list. My code: List1=['apple', 'banana', 'Baboon', 'Charlie'] if 'b' in List1 or 'B' in List1: count_low = List1.count('b') count_high = List1.count('B') count_total = count_low + count_high print "The letter b appears:", count_total, "times." else: print "it did not work" 回答1: You need to loop through your list and go through every item, like so: mycount = 0 for item in List1: mycount = mycount + item.lower

Can I improve this Pig-Latin converter? [closed]

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问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 6 years ago . I'm brand-spanking new to Java and I made this little translator for PigLatin. package stringmanipulation; public class PigLatinConverter { public String Convert(String word){ int position = 0; if (!IsVowel(word.charAt(0))) { for (int i= 0; i < word.length(); i++) { if (IsVowel(word.charAt(i))) { position = i;

数字金额转大写SQL函数实现

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1 set ANSI_NULLS ON 2 set QUOTED_IDENTIFIER ON 3 go 4 5 ALTER FUNCTION [ dbo ] . [ FN_CONTRACT_MONEY_UPPER ] ( @n_LowerMoney numeric( 15 , 2 ), @v_TransType int ) 6 RETURNS VARCHAR ( 200 ) AS 7 BEGIN 8 Declare @v_LowerStr VARCHAR ( 200 ) -- 小写金额 9 Declare @v_UpperPart VARCHAR ( 200 ) 10 Declare @v_UpperStr VARCHAR ( 200 ) -- 大写金额 11 Declare @i_I int 12 13 set @v_LowerStr = LTRIM ( RTRIM ( ROUND ( @n_LowerMoney , - 2 ))) -- 四舍五入为指定的精度并删除数据左右空格--精确到百位 14 set @i_I = 1 15 set @v_UpperStr = '' 16 17 while ( @i_I <= len ( @v_LowerStr )) 18 begin 19 select @v_UpperPart = case substring ( @v_LowerStr

Cutting a String before a special character everytime in C#

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问题 I have strings that all have different lengths. e.g. str1 = "This is new job ----First Message----- This is reopened "; str2 = "Start Process ----First Message----- Is this process closed? <br/> no ----First Message-----"; Now these string shall always have the "----First Message-----" in it. What I need is to trim or split the string in such a way that I only get the part left of the FIRST TIME the "----First Message-----" occurs. So in case of str1 result should be "This is new job " For

Substring with At Least K Distinct Characters

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Given a string S with only lowercase characters. Return the number of substrings that contains at least k distinct characters. Example Example 1: Input: S = "abcabcabca", k = 4 Output: 0 Explanation: There are only three distinct characters in the string. Example 2: Input: S = "abcabcabcabc", k = 3 Output: 55 Explanation: Any substring whose length is not smaller than 3 contains a, b, c. For example, there are 10 substrings whose length are 3, "abc", "bca", "cab" ... "abc" There are 9 substrings whose length are 4, "abca", "bcab", "cabc" ... "cabc" ... There is 1 substring whose length is 12,

MySQL REGEXP to match the whole word only

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问题 How can I match the whole word in mysql? For instance, if I type in ' lau ', I don't want to match ' laura ' or ' laurance '. Below is my working query that matches ' lau ' with ' laura ' SELECT * FROM ( SELECT p.page_id, p.page_url AS url, p.page_title AS title, SUBSTRING_INDEX(p.page_content_1, ' ', 500) AS content, EXTRACT(DAY FROM p.page_backdate) AS date, EXTRACT(MONTH FROM p.page_backdate) AS month, EXTRACT(YEAR FROM p.page_backdate) AS year FROM root_pages AS p WHERE p.page_hide != '1'