Double Quotes is represented by " and can be keyed in using the keyboard using the SHIFT + " in most computers. In this article let’s understand how we can create a regex for double quotes and how regex can be matched for double quotes values.
Regex (short for regular expression) is a powerful tool used for searching and manipulating text. It is composed of a sequence of characters that define a search pattern. Regex can be used to find patterns in large amounts of text, validate user input, and manipulate strings. It is widely used in programming languages, text editors, and command line tools.
Conditions to match a Double Quotes value
The value " should be present in the string.
Regex for checking if its a valid Double Quotes value
Regular Expression-
/["]/gm
Test string examples for the above regex-
| Input String | Match Output |
|---|---|
| zero | does not match |
| “wassup” | matches |
| 1 | does not match |
| It costs “$200” | matches |
| “Double Quotes” | matches |
Here is a detailed explanation of the above regex-
/["]/gm
Match a single character present in the list below ["]
" matches the character " with index 3410 (2216 or 428) literally (case sensitive)
Global pattern flags
g modifier: global. All matches (don't return after first match)
m modifier: multi line. Causes ^ and $ to match the begin/end of each line (not only begin/end of string)
Hope this article was useful to check the validity of a double quotes value using regex. In conclusion, understanding how to work with double quotes using regex is essential for effective text manipulation. Double quotes, represented by " can be efficiently matched using the SHIFT + " keyboard combination. This article provided insights into creating a regex pattern to identify and validate double quotes values within strings. Regex, a powerful tool for text processing, aids in searching and pattern recognition, making it indispensable in various programming tasks.
