<?php $str = "1234567"; $strArr = str_split($str); //split up $str by 1 character $strlen = strlen($str) - 1; //get length of $str - 1 since the $strArr starts at 0 for($i=$strlen;$i>=0;$i--) { echo $strArr[$i]; } ?>
To change any string to uppercase, loop through each character in the string. If the character is in the range 'a' through 'z', decrement the character by decimal 32 (the difference between ASCII value 'a' and 'A'). The following function shows an example of this: void to_upper(std::string& str) { for(int i=0; i<str.size(); ++i) if(str[i]>='a' && str[i]<='z') str[i]-=32; }
#include<stdio.h> int main() { char str[100]; int i; printf("Please enter a string: "); // gets(str); // fgets is a better option over gets to read multiword string . fgets(str, 100, stdin); // Following can be added for extra precaution for '\n' character // if(str[length(str)-1] == '\n') str[strlen(str)-1]=NULL; for(i=0;str[i]!=NULL;i++) { if(str[i]>='A'&&str[i]<='Z') str[i]+=32; else if(str[i]>='a'&&str[i]<='z') str[i]-=32; } printf("String in toggle case is: %s",str); return 0; }
#include <stdio.h> #include <string.h> /* To read something into a string in C you would do the following: */ char * str; str = malloc(100 * sizeof(char)); scanf("%s", &str); /* Another way to do the same thing is to read character by character: */ for(int i = 0; (i < 100) && (*(str + i) != '\n') ; i++) scanf("%c", str + i); /* This code told the computer to keep reading into str until the computer reads a '\n' or until the computer reads 100 characters (which is how much I mallocated for str) */ /* Changing the '\n' to 'q' means keep reading and don't stop until you find a 'q'
special character in c language are as follows~ ' ! @ # % ^ & * () _ - + = | \ {} [] : ; " <> , . ? /
Str is probably a String variable declared. Usually when we declare String objects we prefix it with the character str. example: String strName = "";
<?php $str = "1234567"; $strArr = str_split($str); //split up $str by 1 character $strlen = strlen($str) - 1; //get length of $str - 1 since the $strArr starts at 0 for($i=$strlen;$i>=0;$i--) { echo $strArr[$i]; } ?>
To change any string to uppercase, loop through each character in the string. If the character is in the range 'a' through 'z', decrement the character by decimal 32 (the difference between ASCII value 'a' and 'A'). The following function shows an example of this: void to_upper(std::string& str) { for(int i=0; i<str.size(); ++i) if(str[i]>='a' && str[i]<='z') str[i]-=32; }
unsigned find (const char* str, char c) { unsigned total; total = 0; if (str!=NULL) while (*str) { if (*str++==c) ++total; } return total; }
The River Severn
#include<stdio.h> int main() { char str[100]; int i; printf("Please enter a string: "); // gets(str); // fgets is a better option over gets to read multiword string . fgets(str, 100, stdin); // Following can be added for extra precaution for '\n' character // if(str[length(str)-1] == '\n') str[strlen(str)-1]=NULL; for(i=0;str[i]!=NULL;i++) { if(str[i]>='A'&&str[i]<='Z') str[i]+=32; else if(str[i]>='a'&&str[i]<='z') str[i]-=32; } printf("String in toggle case is: %s",str); return 0; }
str[3]= 'A';
// returns the length of str int strLength(const char* str) { int length = -1; // we know that all strings in C must be null-terminated, so when a character of // str is the null character, we have reached the end while(str[++length]); return length; }
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#include <inttypes.h> int32_t myint; char str [] = "Test"; myint = *(int32_t *)str;
#include <stdio.h> #include <string.h> /* To read something into a string in C you would do the following: */ char * str; str = malloc(100 * sizeof(char)); scanf("%s", &str); /* Another way to do the same thing is to read character by character: */ for(int i = 0; (i < 100) && (*(str + i) != '\n') ; i++) scanf("%c", str + i); /* This code told the computer to keep reading into str until the computer reads a '\n' or until the computer reads 100 characters (which is how much I mallocated for str) */ /* Changing the '\n' to 'q' means keep reading and don't stop until you find a 'q'
// Let's assume you want to search for all square brackets [] public static int getBracketCount(final String str) { int bracketCount = 0; // Iterate through each character in str. for (final char ch : str.toCharArray()) { // If the current character is a bracket, increase bracketCount. switch (ch) { case '[': case ']': ++bracketCount; } } return bracketCount; } // Let's assume you want to search for all square brackets [] int getBracketCount(const char* str) { int bracketCount = 0; // Iterate through each character in str. int i= 0; while( str[i] != '\0' ) { switch(str[i]) { case '[': case ']': ++bracketCount; } ++i; } return bracketCount ; }