Delphi POS - line a Pascal

A Delphi, kamar yadda a wani shirye-shirye da harshen iya aiki tare da kirtani. Akwai abubuwa da yawa da aiki tare da su. A wannan labarin, za mu duba a cikin rare a Delphi kirtani ayyuka.

Gano wani hali a wani layi

A Delphi POS ake amfani da su sami matsayi na wani hali ko rukuni na haruffa a wani layi. Wannan aiki da aka yi amfani da kamar haka: POS (kirtani kana neman wani layi, wanda ake neman). Alal misali, kalmar nan "atomatik" muna bukatar mu sami harafin "o". Rubuta POS ( 'a', 'Atomatik'). A lokacin da kisa da shirin a wurin wannan aiki zai gane 4. Tun da wasika Yã a cikin kalmar "inji" tsaye a 4th wuri. Kõ mu son a sami wani sashi daga cikin haruffa. The kalmar "firiji" sami "dil". POS ( 'dil' 'firiji'). Ta kõma da mu zuwa 5, kamar yadda Diehl nassi fara da 5 haruffa. Idan wani hali ko haruffa a cikin na asali kirtani tsawon ba, da aiki kõma 0. Yana da muhimmanci mu tuna cewa haruffa a kuma A - ne daban-daban, don haka idan kana bukatar ka sami duk haruffa a wata kalma, duba duka biyu A kuma A.

Sauran ayyuka a Delphi

Baya ga aikin POS Delphi hada da wani jam'i na ayyuka ga sabawa kirtani. Alal misali, kwafa aiki. Ana amfani da su kwafe wani musamman rabo daga daya kirtani zuwa wani. Har ila yau concat aiki da hidima skleyschikom biyu layuka. Kamar yadda a cikin ilmin lissafi biyu lambobin suna kara da cewa, wannan jere suna da alaka da juna.

Kirtani hanyoyin in Delphi

Aiki ne ko da yaushe wani abu ya dawo, amma hanya - babu. An misali wani layi na hanyoyin iya zama cikin sa da kuma kau da hanyoyin. Share hanya iya cire wani ɓaɓɓake daga wani layi. A Saka - saka. Da basira da hada wadannan hanyoyin, kazalika da yin amfani da wani aiki, za ka iya cimma babban sakamako, misali, aiki duk kuskure corrector, wanda Jaddada misspelled kalmomi da kuma gyara su, fassara, kamus, kuma mafi. Su duka amfani da kirtani ayyuka, amma tabbas ba a Pascal. Sanin kirtani ayyuka da kuma hanyoyin da za su iya zama, misali, rubuta wani shirin da aka nuna a cikin adadi sama.