Test, validate and match regular expressions
Matches Indian mobile phone numbers: 10-digit numbers starting with 7, 8, or 9, optionally prefixed with the +91 or 0091 country code or a leading 0, with spaces and dashes permitted as separators. A second alternative matches 11-digit sequences with optional space/dash separators. With the global flag it extracts all phone numbers from text, making it useful for validating or harvesting Indian mobile numbers in forms or documents.