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ËùÓеıȽ϶¼ÔÚ´®ÉϽøÐÐ: <span class="tt">string1 rel string2</span>.
¿ÉÒÔÀûÓà <span class="tt">and</span> Óë <span class="tt">or</span> °Ñ±È½Ï½áºÏÆðÀ´.
»¹¿ÉÒÔÀûÓÃÀ¨ºÅÒÔ¹¹³É¸´ÔӵıȽÏʽ.
:ÓÐЧµÄ¹ØÏµ
:¹ØÏµ,Ìõ¼þ
:==
string1 == string2 string1 = string2
true(Õæ), Èô <span class="tt"> string1</span> Óë <span class="tt">string2</span> ÍêÈ«Ïàͬ.
:!=
string1 != string2 string1 <> string2
true(Õæ), Èô <span class="tt"> string1</span> Óë <span class="tt">string2</span> ²»Ïàͬ.
:<
string1 < string2
true(Õæ), Èç¹ûÁ½¸ö´®µÄÊýÖµ <span class="tt">string1</span> < <span class="tt">string2</span>.
:<=
string1 <= string2
true(Õæ), Èç¹ûÁ½¸ö´®µÄÊýÖµ <span class="tt">string1</span> $m_le <span class="tt">string2</span>.
:>
string1 > string2
true(Õæ), Èç¹ûÁ½¸ö´®µÄÊýÖµ <span class="tt">string1</span> > <span class="tt">string2</span>.
:>=
string1 >= string2
true(Õæ), Èç¹ûÁ½¸ö´®µÄÊýÖµ <span class="tt">string1</span> $m_ge <span class="tt">string2</span>.
:isin
string1 isin string2
true(Õæ), Èô <span class="tt">string1</span> ÊÇ <span class="tt">string2</span> µÄ×Ó´®.
:notin
string1 notin string2
true(Õæ), Èô <span class="tt">string1</span> ²»ÊÇ <span class="tt">string2</span> µÄ×Ó´®.
:iswordof
string1 iswordof string2
true(Õæ), Èô <span class="tt">string1</span> ÊÇ <span class="tt">string2</span> µÄÒ»¸ö´Ê.
:notwordof
string1 notwordof string2
true(Õæ), Èô <span class="tt">string1</span> ²»ÊÇ <span class="tt">string2</span> µÄÒ»¸ö´Ê.
:isvarof
string1 isvarof string2
true(Õæ), Èô <span class="tt">string1</span> ÊDZí´ïʽ <span class="tt">string2</span> µÄÒ»¸ö(Êýѧ)±äÁ¿.
:notvarof
string1 notvarof string2
true(Õæ), Èô <span class="tt">string1</span> ²»ÊDZí´ïʽ <span class="tt">string2</span> µÄÒ»¸ö(Êýѧ)±äÁ¿.
:isvariableof
string1 isvariableof string2
true(Õæ), Èô <span class="tt"> string1</span> ÊDZí´ïʽ <span class="tt">string2</span> µÄÒ»¸ö(Êýѧ)±äÁ¿.
:notvariableof
string1 notvariableof string2
true(Õæ), Èô <span class="tt"> string1</span> ²»ÊDZí´ïʽ <span class="tt">string2</span> µÄÒ»¸ö(Êýѧ)±äÁ¿.
:isitemof
string1 isitemof string2
true(Õæ), Èô <span class="tt"> string1</span> ÊDZí <span class="tt">string2</span> µÄÒ»Ïî.
:notitemof
string1 notitemof string2
true(Õæ), Èô <span class="tt"> string1</span> ²»ÊDZí <span class="tt">string2</span> µÄÒ»Ïî.
:islineof
string1 islineof string2
true(Õæ), Èô <span class="tt"> string1</span> ÊDZí <span class="tt">string2</span> µÄÒ»ÐÐ.
:notlineof
string1 notlineof string2
true(Õæ), Èô <span class="tt"> string1</span> ²»ÊDZí <span class="tt">string2</span> µÄÒ»ÐÐ.
:issamecase
string1 issamecase string2
true(Õæ), Èô <span class="tt"> string1</span> Óë <span class="tt">string2</span> ÓÐÏàͬµÄÎÄ×Ö, ±È½Ïʱ²»¿¼ÂǶàÓàµÄ¿Õ¸ñ, µ«ÊÇÇø±ð´óСд×Öĸ.
:notsamecase
string1 notsamecase string2
true(Õæ), Èô <span class="tt"> string1</span> Óë <span class="tt">string2</span> Óв»ÏàͬµÄÎÄ×Ö, ±È½Ïʱ²»¿¼ÂǶàÓàµÄ¿Õ¸ñ, µ«ÊÇÇø±ð´óСд×Öĸ.
:issametext
string1 issametext string2
true(Õæ), Èô <span class="tt"> string1</span> Óë <span class="tt">string2</span> ÓÐÏàͬµÄÎÄ×Ö, ±È½Ïʱ²»¿¼ÂǶàÓàµÄ¿Õ¸ñ¡¢´óСд×Öĸ¼°ÓÐÖØÒôºÅµÄ×Öĸ.
:notsametext
string1 notsametext string2
true(Õæ), Èô <span class="tt"> string1</span> Óë <span class="tt">string2</span> Óв»ÏàͬµÄÎÄ×Ö, ±È½Ïʱ²»¿¼ÂǶàÓàµÄ¿Õ¸ñ¡¢´óСд×Öĸ¼°ÓÐÖØÒôºÅµÄ×Öĸ.