Use of the Javascript Regular Expression Test

<Script language = "JavaScript">
Function checkstr (s )...{
VaR regu =/ABC/GI;
VaR Re = new Regexp (regu );
Return re. test (s );
}
Checkmobile ('vpateabc ');
</SCRIPT>

Purpose: Check whether the input string contains ABC. If yes, true is returned. Otherwise, false is returned.
Method
Test (string): test whether the string contains matching results.

Regular Expressions in string objects
Method
Match (pattern): regular match is performed based on pattern. If it matches, the matching result is returned. If it does not match, null is returned.
Search (pattern): regular match is performed based on pattern. If a result is matched, the number of indexes is returned; otherwise,-1 is returned.
Replace (pattern, replacement): Perform regular match based on pattern and replace the matching result with replacement.
Split (pattern): Regular segmentation based on pattern, returns a split Array