{"id":7916,"date":"2024-05-27T10:44:48","date_gmt":"2024-05-27T07:44:48","guid":{"rendered":"https:\/\/www.inetmar.com\/blog\/?p=7916"},"modified":"2024-07-29T10:55:48","modified_gmt":"2024-07-29T07:55:48","slug":"regex-nedir","status":"publish","type":"post","link":"https:\/\/www.inetmar.com\/blog\/regex-nedir\/","title":{"rendered":"Regex Nedir?"},"content":{"rendered":"

Regex nedir <\/strong>incelendi\u011finde metin i\u00e7inde belli kal\u0131plar\u0131n bulunmas\u0131, tan\u0131mlanmas\u0131 amac\u0131yla kullan\u0131lan bir ara\u00e7 oldu\u011fu g\u00f6r\u00fcl\u00fcr. T\u00fcrk\u00e7e D\u00fczenli \u0130fade anlam\u0131na gelen regex yaz\u0131l\u0131mc\u0131lar\u0131n \u00e7ok fazla kulland\u0131klar\u0131 bir ara\u00e7t\u0131r. Regular Expression kelimelerinin k\u0131salt\u0131lmas\u0131 ile olu\u015fturulan regex yaz\u0131l\u0131mc\u0131lara zaman kazand\u0131rmas\u0131 nedeniyle tercih edilir.<\/p>\n

Metinler i\u00e7inde tekrar eden yap\u0131lar\u0131 tespit etmeyi sa\u011flar. Metinler i\u00e7inde sorgular\u0131 y\u00f6netmek i\u00e7in kullan\u0131l\u0131r. Veri madencili\u011finde de metin i\u015flemede oldu\u011fu gibi olduk\u00e7a fazla kullan\u0131l\u0131r. Karma\u015f\u0131k verileri d\u00fczenli hale getirme \u00f6zelli\u011fi bulunur. Bu sayede aranan bilgiye \u00e7ok daha h\u0131zl\u0131 kavu\u015fmay\u0131 sa\u011flar. Regex metinleri e\u015fle\u015ftirmek ya da de\u011fi\u015ftirmeyi sa\u011flayan karakterlerdir. \u00d6\u011frenmesi biraz zor olmakla birlikte \u00f6\u011frenilmesinin ard\u0131ndan sundu\u011fu kolayl\u0131klarla i\u015fleri kolayla\u015ft\u0131r\u0131r. Yaz\u0131l\u0131mc\u0131lara zaman kazand\u0131rmas\u0131 ile \u00e7ok say\u0131da bilgisayar dilinde regex kullan\u0131l\u0131r.<\/p>\n

\"regex<\/a>Esnek ve \u00f6l\u00e7eklenebilir web hosting<\/a> paketlerimiz ile i\u015finizi gelece\u011fe haz\u0131rlay\u0131n.<\/p>\n

Regex Neden \u00d6nemli? <\/strong><\/h2>\n

Tekrar eden i\u015flerde zaman tasarrufu etmek amac\u0131yla regex geli\u015ftirilmi\u015ftir. Regex neden \u00f6nemli<\/strong> incelendi\u011finde aranan ve istenen bilgiye h\u0131zla ula\u015fmay\u0131 sa\u011flamas\u0131 oldu\u011fu g\u00f6r\u00fcl\u00fcr. Elbette bunun yan\u0131nda \u00e7ok karma\u015f\u0131k aramalar\u0131n da basitle\u015ftirilmesini sa\u011flamas\u0131 ile de \u00f6nem ta\u015f\u0131r. B\u00fcy\u00fck veri y\u0131\u011f\u0131nlar\u0131n\u0131n de\u011ferlendirilmesi, bu verilerin i\u00e7inde aranan bilgilere h\u0131zla ula\u015f\u0131lmas\u0131 i\u00e7in kullan\u0131l\u0131r.<\/p>\n

\u00c7ok karma\u015f\u0131k ifadeler dahi regex ile basitle\u015ftirilir ve sonu\u00e7lara h\u0131zla ula\u015f\u0131lmas\u0131 m\u00fcmk\u00fcn olur. Program geli\u015ftirme a\u015famalar\u0131nda \u00e7ok say\u0131da karma\u015f\u0131k kod kullan\u0131lmas\u0131na gerek olmadan regex ile i\u015flemler yap\u0131labilir. Metinler \u00fczerinde de\u011fi\u015fiklikler yap\u0131lmas\u0131 ve gerekti\u011finde istenmeyen ifadelerin kald\u0131r\u0131lmas\u0131 i\u00e7in de pratik \u00e7\u00f6z\u00fcmler sundu\u011fu g\u00f6r\u00fcl\u00fcr. Yaz\u0131l\u0131mc\u0131lar i\u00e7in oldu\u011fu gibi \u00e7e\u015fitli uygulamalarda kullan\u0131c\u0131lar a\u00e7\u0131s\u0131ndan da regex kullan\u0131lmas\u0131 \u00f6nemlidir. \u00d6rne\u011fin bir web sitesine eposta adresinizi ya da telefon numaran\u0131z\u0131 do\u011fru yazd\u0131\u011f\u0131n\u0131z regex taraf\u0131ndan kontrol edilir. Hata olmas\u0131 halinde uyar\u0131 verilir ve siz de gerekli d\u00fczeltmeyi yapabilirsiniz.<\/p>\n

\u0130nternet kullan\u0131c\u0131lar\u0131 i\u00e7in regex en fazla web sitelerinde ve uygulamalarda kullan\u0131l\u0131r. Web sitelerine ve uygulamalara giri\u015flerin g\u00fcvenli yap\u0131lmas\u0131 a\u00e7\u0131s\u0131ndan \u00e7al\u0131\u015f\u0131r. Kullan\u0131c\u0131n\u0131n giri\u015f bilgilerini yanl\u0131\u015f yazmas\u0131 halinde hesab\u0131na ula\u015fmas\u0131 m\u00fcmk\u00fcn olmaz.<\/p>\n

Regex Kullan\u0131m Amac\u0131 ve Kullan\u0131m Alanlar\u0131 Nelerdir? <\/strong><\/h2>\n

Regex metinler i\u00e7inde ifade kal\u0131plar\u0131n\u0131n e\u015fle\u015ftirilmesini sa\u011flayan bir ara\u00e7 olmas\u0131 ile son derece yararl\u0131d\u0131r. Kullan\u0131m amac\u0131 olarak en \u00e7ok metinlerin i\u015flenme s\u00fcresinin k\u0131saltmas\u0131 oldu\u011fu g\u00f6r\u00fcl\u00fcr. \u00c7ok b\u00fcy\u00fck miktarda verinin k\u0131sa zamanda i\u015flenmesini de sa\u011flamas\u0131 ile kullan\u0131l\u0131r. Regex kullan\u0131m alanlar\u0131 i\u00e7inde \u015funlar yer al\u0131r:<\/p>\n

    \n
  1. Metin i\u015fleme:<\/strong> Regex metin i\u00e7inde verileri arama, e\u015fle\u015ftirme ya da de\u011fi\u015ftirme i\u00e7in kullan\u0131l\u0131r.<\/li>\n
  2. Form do\u011frulama:<\/strong> Web sitelerinde kullan\u0131c\u0131lar\u0131n giri\u015f yaparken do\u011fru eposta adresi, \u015fifre ve telefon numaras\u0131 gibi bilgiler kullanmas\u0131nda \u00f6nemli paya sahiptir.<\/li>\n
  3. B\u00fcy\u00fck ve yap\u0131land\u0131r\u0131lm\u0131\u015f dosyalardan veri \u00e7ekme:<\/strong> Web sitelerinden ya da dosyalardan belli miktarda veriyi \u00e7ekmek i\u00e7in kullan\u0131l\u0131r.<\/li>\n
  4. Veri temizleme ve formatlama:<\/strong> Verilerin i\u00e7inde belli bilgileri \u00e7\u0131karma ya da bu bilgilerde de\u011fi\u015fiklik yapmak i\u00e7in kullan\u0131l\u0131r.<\/li>\n
  5. URL i\u015flemleri:<\/strong> Belli desenlere ba\u011fl\u0131 ba\u011flant\u0131lar\u0131 bulma ve de\u011fi\u015ftirme i\u00e7in regex kullan\u0131l\u0131r.<\/li>\n
  6. Dil i\u015fleme:<\/strong> Metinler i\u00e7inde dil i\u015fleme \u00f6r\u00fcnt\u00fcleri tan\u0131mlamak i\u00e7in kullan\u0131l\u0131r.<\/li>\n
  7. Kod d\u00fczenleme:<\/strong> Kod d\u00fczenleyicilerinde de\u011fi\u015fiklik yap\u0131lacak par\u00e7an\u0131n bulunmas\u0131 regex ile m\u00fcmk\u00fcn olur.\"regex<\/li>\n<\/ol>\n

    Regex Avantajlar\u0131 <\/strong><\/h2>\n

    Regex metin i\u015fleme ve e\u015fle\u015ftirme i\u00e7in son derece g\u00fc\u00e7l\u00fc bir ara\u00e7t\u0131r. Bu arac\u0131n kullan\u0131lmas\u0131n\u0131n \u00e7e\u015fitli avantajlar\u0131 bulunur. Metin i\u015fleme, veri madencili\u011fi ve veri do\u011frulama alanlar\u0131nda pratik \u00e7\u00f6z\u00fcmler sunan Regex avantajlar\u0131<\/strong> aras\u0131nda \u015funlar \u00f6ne \u00e7\u0131kar:<\/p>\n

      \n
    • Metin i\u015flemede zamandan tasarruf etmeyi sa\u011flar:<\/strong> Metinleri i\u015flerken belli ifadeleri ve desenleri bulmak, de\u011fi\u015ftirmek i\u00e7in regex kullanman\u0131z ayn\u0131 i\u015flemi pek \u00e7ok kez yapma gereklili\u011fini ortadan kald\u0131rarak zamandan tasarruf etmeyi sa\u011flar.<\/li>\n
    • \u00c7ok say\u0131da bilgisayar dili taraf\u0131ndan desteklenir:<\/strong> Regex komutlar\u0131n\u0131 \u00e7ok say\u0131da bilgisayar dilinde ayn\u0131 \u015fekilde kullanabilirsiniz. Bu sayede farkl\u0131 dillerde ve uygulamalarda ayn\u0131 ifadeleri kullanabilmeniz m\u00fcmk\u00fcn olur.<\/li>\n
    • Metin i\u015fleme i\u00e7in g\u00fc\u00e7l\u00fc bir ara\u00e7t\u0131r:<\/strong> Metinler i\u00e7inde yer alan karma\u015f\u0131k ifadeleri regex komutlar\u0131 ile basitle\u015ftirmek ve bulmak m\u00fcmk\u00fcnd\u00fcr.<\/li>\n
    • Bilgilerin do\u011frulanmas\u0131 ve filtrelenmesini sa\u011flar:<\/strong> Veri b\u00fct\u00fcnl\u00fc\u011f\u00fcn\u00fcn sa\u011flanmas\u0131, istenmeyen giri\u015flerin \u00f6nlenmesi i\u00e7in form do\u011frulama yap\u0131labilir. Bu sayede kullan\u0131c\u0131lar\u0131n b\u00fct\u00fcn bilgilerini do\u011fru olarak girmeleri sa\u011flan\u0131r. Uygulamalar\u0131n ve kullan\u0131c\u0131lar\u0131n hesaplar\u0131n\u0131n g\u00fcvende olmas\u0131 m\u00fcmk\u00fcn olur.<\/li>\n
    • NLP (Dil i\u015fleme) ve veri \u00e7\u0131kartmay\u0131 m\u00fcmk\u00fcn k\u0131lar:<\/strong> Regex ile daha \u00f6nce yap\u0131land\u0131r\u0131lm\u0131\u015f verilerden veri \u00e7\u0131karma i\u015fleminin kolayca yap\u0131lmas\u0131n\u0131 sa\u011flar. Olu\u015fturulmu\u015f bir metinde yer alan belirli ifadeleri, say\u0131 ve tarihleri \u00e7\u0131karmak i\u00e7in kullan\u0131l\u0131r.<\/li>\n
    • B\u00fcy\u00fck dosyalar\u0131n h\u0131zla i\u015flenmesi ve de\u011fi\u015fikliklerin yap\u0131labilmesi:<\/strong> Metin d\u00fczenleme ve kod d\u00fczenleme \u00f6zelli\u011fi ile regex b\u00fcy\u00fck dosyalar\u0131n h\u0131zla i\u015flenmesinde ve de\u011fi\u015ftirilmesinde kolayl\u0131klar sunar.<\/li>\n
    • \u00d6\u011frenilmesi kolayd\u0131r:<\/strong> Regex ifadeleri ilk ba\u015fta karma\u015f\u0131k gibi g\u00f6r\u00fcnse de temel ifadeleri \u00f6\u011frenerek basit i\u015flemleri yapmaya ba\u015flayabilirsiniz. Ayr\u0131ca \u00e7ok say\u0131da bilgisayar dili taraf\u0131ndan destekleniyor olmas\u0131 ile her dilde program yazarken kullanabilirsiniz.<\/li>\n<\/ul>\n

      Regex Dezavantajlar\u0131 <\/strong><\/h2>\n

      Regex kullanmak yaz\u0131l\u0131mc\u0131lar\u0131n ve veri madencili\u011fi yapan ki\u015filerin i\u015flerini \u00e7ok fazla kolayla\u015ft\u0131r\u0131r. Bundan kaynakl\u0131 olarak kullan\u0131lmas\u0131n\u0131n \u00e7ok say\u0131da avantaj\u0131 vard\u0131r. Ayn\u0131 zamanda regex dezavantajlar\u0131<\/strong> da bulunur. Regex \u00f6\u011frenmeye ve kullanmaya ba\u015flamadan \u00f6nce bu dezavantajlar\u0131 da bilmenizde yarar bulunur. Dezavantajlar\u0131 aras\u0131nda \u015funlar \u00f6ne \u00e7\u0131kar:<\/p>\n

        \n
      • B\u00fcy\u00fck metinlerde karma\u015f\u0131k regex ifadelerinin kullan\u0131lmas\u0131 kar\u015f\u0131s\u0131nda performans d\u00fc\u015f\u00fckl\u00fc\u011f\u00fc g\u00f6r\u00fclebilir.<\/li>\n
      • Karma\u015f\u0131k regex ifadeleri olu\u015fturma s\u0131ras\u0131nda zorluklar ortaya \u00e7\u0131kabilir. Regex ifadelerinin karma\u015f\u0131k olmas\u0131 uygulaman\u0131n bak\u0131m\u0131n\u0131n zorla\u015fmas\u0131na neden olur.<\/li>\n
      • Karma\u015f\u0131k regex ifadelerini \u00f6\u011frenmek i\u00e7in uzun zaman ay\u0131rman\u0131z ve pratik yapman\u0131z gerekir.<\/li>\n
      • Regex ifadelerinin yanl\u0131\u015f kullan\u0131lmas\u0131 halinde yanl\u0131\u015f e\u015fle\u015ftirmeler ve sonu\u00e7lar ortaya \u00e7\u0131kabilir.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"

        Regex nedir incelendi\u011finde metin i\u00e7inde belli kal\u0131plar\u0131n bulunmas\u0131, tan\u0131mlanmas\u0131 amac\u0131yla kullan\u0131lan bir ara\u00e7 oldu\u011fu g\u00f6r\u00fcl\u00fcr. T\u00fcrk\u00e7e D\u00fczenli \u0130fade anlam\u0131na gelen regex yaz\u0131l\u0131mc\u0131lar\u0131n \u00e7ok fazla kulland\u0131klar\u0131 bir ara\u00e7t\u0131r. Regular Expression kelimelerinin k\u0131salt\u0131lmas\u0131 ile olu\u015fturulan regex yaz\u0131l\u0131mc\u0131lara...<\/p>\n","protected":false},"author":2,"featured_media":7962,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24],"tags":[],"class_list":["post-7916","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-genel"],"_links":{"self":[{"href":"https:\/\/www.inetmar.com\/blog\/wp-json\/wp\/v2\/posts\/7916","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.inetmar.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.inetmar.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.inetmar.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.inetmar.com\/blog\/wp-json\/wp\/v2\/comments?post=7916"}],"version-history":[{"count":12,"href":"https:\/\/www.inetmar.com\/blog\/wp-json\/wp\/v2\/posts\/7916\/revisions"}],"predecessor-version":[{"id":9604,"href":"https:\/\/www.inetmar.com\/blog\/wp-json\/wp\/v2\/posts\/7916\/revisions\/9604"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.inetmar.com\/blog\/wp-json\/wp\/v2\/media\/7962"}],"wp:attachment":[{"href":"https:\/\/www.inetmar.com\/blog\/wp-json\/wp\/v2\/media?parent=7916"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.inetmar.com\/blog\/wp-json\/wp\/v2\/categories?post=7916"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.inetmar.com\/blog\/wp-json\/wp\/v2\/tags?post=7916"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}