Tutorial by Topics: flags

It is strongly recommended that you use these options only: If you have a thorough understanding of your system. Are aware that, if used improperly, these options can have negative effect on the stability or performance of your system. Information gathered from official Java documentation. ...

Regular expression patterns are often used with modifiers (also called flags) that redefine regex behavior. Regex modifiers can be regular (e.g. /abc/i) and inline (or embedded) (e.g. (?i)abc). The most common modifiers are global, case-insensitive, multiline and dotall modifiers. However, regex fla...