A Matching tool to blur.
Meta-characters are as follows:
* {} [] +? () \ ^, Just ten.
.: Represents any single character, except a newline
*: Modification of the preceding character, represents the character appears in front of 0 or more times (infinite)
{}: Modified the preceding character, representing the number of occurrences of the previous character. 1 {4,} represents the minimum occurs once; actually may represent the character * ,? +