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HowTo: Extract numeric suffix from a string in Python
24 Αυγούστου 20 11:15 πμ | Μπιρμπίλης Γεώργιος | 0 σχόλια   

I recently needed to extract a numeric suffix from a string value in Python. Initially I did the following: import re def extractNumSuffix(value):     return (None if (search:=re.search(‘^\D*(\d+)$’, value, re.IGNORECASE)) is None else search.group(1)) Note that return has a single-line expression. So print(extractNumSuffix("test1030")) prints 1030 Tried it online at: https://repl.it/languages/python3 However, then I found out […]

Δημοσίευση στην κατηγορία: Posts, Compatibility, Numbers, RegEx, HowTo, Suffix, Assignment, Python, Expressions, CXT, Extraction, Strings

Gotcha: use parentheses around ternary op conditional expressions
25 Αυγούστου 18 03:42 μμ | Μπιρμπίλης Γεώργιος | 0 σχόλια   

Just came across the following case in C# that puzzled me momentarily, especially since the strings involved were long enough and the expression was broken on multiple lines: bool flag = true; string test1 = flag? "xa" : "xb"; string test2 = "x" + (flag? "a" : "b"); string test3 = "x" + flag? "a" […]

Δημοσίευση στην κατηγορία: Posts, Programming, C#, Gotcha, Syntax, Operators, Ternary, Expressions, Conditional