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Showing posts with label regular expression. Show all posts
Showing posts with label regular expression. Show all posts
Learning Regular Expression - Part 1
| Regular expression is an expression by which searching of codes is made simpler it is defined by American mathematician Stephen Kleene | |
Regular expression has this below 4 parts in it | |
| Literal | Character we use in search |
| Metacharacter | Special character that we use in regular expression eg: $ ^ |
| Escape string | A way of indicating the user of metacharacter |
| Search expression | Search string that we use to search target string |
Symbols in meta characters | |
| Brackets [] | Matching of single characters or multiple characters in the stiring |
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