^start of line
Character Class[0-9a-zA-z]{10} {10}matches exactly 10 characters from the set below:
0-9one character from 0 (4810) to 9 (5710)
a-zone character from a (9710) to z (12210) (case sensitive)
A-zone character from A (6510) to z (12210) (case sensitive)
\(the literal ( (4010 / 508 / 2816)
\\the literal \ (9210 / 1348 / 5C16)
x01the literal text x01 (case sensitive) {1}matches one character from the set below:
0-9one character from 0 (4810) to 9 (5710)
\\the literal \ (9210 / 1348 / 5C16)
x02the literal text x02 (case sensitive) {2}matches exactly 2 characters from the set below:
0-9one character from 0 (4810) to 9 (5710)
\\the literal \ (9210 / 1348 / 5C16)
x02the literal text x02 (case sensitive) {2}matches exactly 2 characters from the set below:
0-9one character from 0 (4810) to 9 (5710)
\\the literal \ (9210 / 1348 / 5C16)
nthe literal n (11010 / 1568 / 6E16) (case sensitive)
g modifier: global. Finds all matches instead of stopping after the first
m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string