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Validating Strings with Letters, Numbers, and Special Characters using Regular Expressions

Regular expressions (regex) are a powerful tool for validating strings in programming. In this tutorial, we … Validating Strings with Letters, Numbers, and Special Characters using Regular ExpressionsRead more

anchors, character-classes, PHP, preg-match, regex, regular expressions, repetition-operators, string validation

Checking if a String Starts with a Specified Prefix

In programming, it’s often necessary to check if a string begins with a specific prefix. This … Checking if a String Starts with a Specified PrefixRead more

PHP, preg-match, regular expressions, str-starts-with, string-prefix, strpos, substr

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