Regular Expression For Exclusion

 Regular expression for exclusion

Regular expression can be applied for excluding certain words - 

1. Use (?!<word to be excluded>)

2. (?i) to make cases insensitive

Example - discarded and template to be excluded where (?i) indicates being case insensitive

(?i)(?!.*discarded.*)(?!.*template.*)(.*ubicell.*) 

Regular Expression - How To Create Regular Expression For Case Insensitive

 How To Create Regular Expression For Case Insensitive

1. Use Simple Regular Expression Syntax - (?i)<Normal Regular Expression>
• (?i) -> Indicates Case Insensitive Regular Expression
2. Use Language And Technology To Use Library/Methods/Interface To Pass Additional Parameter As             Flag To Determine If Case Sensitive Or Case InSensitive Comparison Is Required. 

• FindPattern(<regular expression>, caseSensitiveFlag(True/False))