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Wording and Sentence Structure Changes
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> Regular expression is a group of characters or symbols which is used to find a specific pattern from a text.
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> Regular expression is a group of characters or symbols which is used to find a specific pattern from a text.
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A regular expression is a pattern that is matched against a subject string from
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A regular expression is a pattern that is matched against a subject string from
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left to right. The word "Regular expression" is a mouthful, you will usually
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left to right. Regular expression is used for replacing a text within a string,
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find the term abbreviated as "regex" or "regexp". Regular expression is used for
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validating form, extract a substring from a string based upon a pattern match,
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replacing a text within a string, validating form, extract a substring from a
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and so much more. The word "Regular expression" is a mouthful, so you will usually
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string based upon a pattern match, and so much more.
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find the term abbreviated as "regex" or "regexp".
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Imagine you are writing an application and you want to set the rules for when a
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Imagine you are writing an application and you want to set the rules for when a
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user chooses their username. We want to allow the username to contain letters,
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user chooses their username. We want to allow the username to contain letters,
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