- Definition and Usage. The “g” modifier specifies a global match. A global match finds all matches (compared to only the first).
- Tip. For a global, case-insensitive search, use the “i” modifier together with the g modifier.
- Tip. You can use the global property to check if the g modifier is set.
The ” g ” flag indicates that the regular expression should be tested against all possible matches in a string. A regular expression defined as both global (” g “) and sticky (” y “) will ignore the global flag and perform sticky matches. You cannot change this property directly.
What are modifiers in regular expression?
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.
An expression is any valid set of literals, variables, operators, and expressions that evaluates to a single value. The value may be a number, a string, or a logical value. Conceptually, there are two types of expressions: those that assign a value to a variable, and those that simply have a value.
The gi modifier is used to do a case insensitive search of all occurrences of a regular expression in a string.
RegExp i Modifier