{"id":936,"date":"2020-03-16T08:02:01","date_gmt":"2020-03-16T15:02:01","guid":{"rendered":"https:\/\/renanmf.com\/?p=936"},"modified":"2021-03-21T16:10:11","modified_gmt":"2021-03-21T19:10:11","slug":"islower-checking-lower-case-only-string-python","status":"publish","type":"post","link":"https:\/\/renanmf.com\/islower-checking-lower-case-only-string-python\/","title":{"rendered":"islower(): checking lower case only in a string in Python"},"content":{"rendered":"<p>Use the <code>islower()<\/code> method to check if the characters in a string are all in lower case.<\/p>\n<pre><code class=\"language-python\">text = &#039;This is a regular text&#039;\nprint(text.islower())\n#output: False\n\ntext = &#039;this is a regular text&#039;\nprint(text.islower())\n#output: True\n\ntext = &#039;this $ 1s @ a r3gular text!&#039;\nprint(text.islower())\n#output: True<\/code><\/pre>\n<p>If you notice the last example, the numbers and special characters like <code>@<\/code> and <code>$<\/code> in the string make no difference and <code>islower()<\/code> still returns <code>True<\/code> because the method only verifies the alphabetical characters.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Use the islower() method to check if the characters in a string are all in lower case. text = &#039;This is a regular text&#039; print(text.islower()) #output: False text = &#039;this is a regular text&#039; print(text.islower()) #output: True text = &#039;this $ 1s @ a r3gular text!&#039; print(text.islower()) #output: True If you notice the last example, [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":742,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[6],"class_list":["post-936","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python","tag-python"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":6}},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - 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