去除句子中的元音字符（remove vowel)代码,C代码库,德仔网

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【C】去除句子中的元音字符（remove vowel)

作者:黄伟达 / 发布于2012/8/13/ 633

去除句子中的元音字符，包括句首句末的空格。 remove vowels, and trim head and rear

<div>/*
* Remove the vowels from sentence
* input: Let's go to Hawaii, it is a good spot.
* out: Lt's g t Hw, t s gd spt.
*/
#include <stdio.h>
#include <string.h>
#include <assert.h>
#define TEST_ASSERT(x) do{\
assert(x); printf(". "); }while(0);
int isVowel(char tmp) 
{
return (tmp== 'E' || tmp== 'e' || tmp== 'I' || tmp== 'i' || 
tmp== 'A' || tmp== 'a' || tmp== 'O' || tmp== 'o' || 
tmp== 'U' || tmp== 'u' );
}
void removeVowel(char *str)
{
if(!str) return;
char *tmp = str;
int vwl = 0;
/* Trim the head, empty and vowels both count into vwl */
while(*tmp!='\0' && (isVowel(*tmp) ||*tmp ==' ')){
++tmp; ++vwl;
}
<div>/* Compress the trunk */ 
for( ; *tmp!='\0' ; ++tmp) {
if(isVowel(*tmp))
++vwl;
else 
*(tmp-vwl) = *tmp;
}
/* Trim the tail */
while(*(tmp-1)==' ') {
--tmp;
*tmp = '\0';
}
/* the last vwl letters should be elminated*/ 
tmp -=vwl;
*tmp = '\0';
}
void removeVowelUT()
{
char words[][64] = {
" I can't goo! ", "cn't g!", 
"auiou", "",
"eon ", "n",
"neo ", "n",
"neo ", "n",
"kiokunishiushia", "kknshsh",
"eonhawaiida,", "nhwd,", 
" Let's go to Hawaii","Lt's g t Hw" 
};
printf("%s\n", __FUNCTION__);
int cnt = sizeof (words)/ sizeof(words[0]);</div>
<div>for (int i=0; i<cnt; i+=2) {
int len = strlen(words[i]);
removeVowel(words[i]);
TEST_ASSERT(strcmp(words[i], words[i+1])==0);
}
}
int main(void) {
removeVowelUT();
return 0;
}
<div>
</div>

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