WebNov 2, 2024 · How do I get the first character of a string in dart flutter. For example,a string having a value "Hello World" should return only "H". I am fetching data from my firestore database. My code is: searchByName(String searchField) { return Firestore.instance .collection('posts') .where('description', isEqualTo: … WebDec 7, 2024 · void main () { String text = "Hello your number is: 1234567890"; var aString = text.replaceAll (RegExp (r' [^0-9]'), ''); var aInteger = int.parse (aString); print ( "The number provided is :" + aInteger.toString (), ); } Your Output: The number provided is :1234567890 Share Improve this answer Follow answered Dec 7, 2024 at 12:17
Replace string in Flutter - Medium
WebOct 23, 2024 · Wrap the word in a TextSpan and assign style properties to change the text appearance and use RichText instead of Text RichText ( text: TextSpan ( text: 'Hello ', style: DefaultTextStyle.of (context).style, children: [ TextSpan (text: 'bold', style: TextStyle (fontWeight: FontWeight.bold)), TextSpan (text: ' world!'), ], ), ) Web1 day ago · I don't care about the bold, or italic, color or any other styling attribute right now. What I need is to be able to get the text that would be displayed by the widget (with my name that I have injected), as a String. myStyledText.text in this case would return Hello , bold text. What I want to get is Hello Cedric, bold text, as a ... iran super league basketball 2021-22
Exploring String methods in Dart - Medium
WebJul 24, 2024 · 6 Answers. Sorted by: 71. You can use String.indexOf combined with String.substring: void main () { const str = "the quick brown fox jumps over the lazy dog"; const start = "quick"; const end = "over"; final startIndex = str.indexOf (start); final endIndex = str.indexOf (end, startIndex + start.length); print (str.substring (startIndex + start ... WebJul 21, 2024 · To iterate String, firstly we need to transform it into Runes. As stated here, Runes has iterable We need to have several steps : 1. Validate find Count if (findCount < 1) { return ''; } 2. Turn Separator and Sentence into Runes Runes spaceRunes = Runes (wordSeparator); Runes sentenceRunes = Runes (sentence); 3. Prepare Final String WebNov 6, 2016 · I have this text file that contains these 3 lines: Bob MikeBob Mike How could I remove 'Mike' without removing 'Mike' from 'MikeBob'? I have tried this: string text = File.ReadAllText("C:/data.... iran super power and magor arm players 2022